.hide-partial { max-height: none; } .show-more { display: none; }

QFN-64 Embedded Processors & Controllers

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Embedded Processors & Controllers

List Images

Results: 1 036

Applied Filters:

Package / Case = QFN-64

Manufacturer

Product Type

Mounting Style

Core

Data Bus Width

Maximum Clock Frequency

Program Memory Size

Data RAM Size

ADC Resolution

Number of I/Os

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

16-bit Microcontrollers - MCU 16 BIT MCU, 16 MIPS 64KB Flash, XLP, LCD

PIC24FJ64GA406-I/MR
Microchip Technology
160: ₡2 987,47
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC24FJ64GA406-I/MR

Mouser Part #
579-24FJ64GA406-I/MR

Microchip Technology

16-bit Microcontrollers - MCU 16 BIT MCU, 16 MIPS 64KB Flash, XLP, LCD

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡2 987,47

Min.: 160
Mult.: 40

16-bit Microcontrollers - MCU

SMD/SMT

QFN-64

PIC24F

16 bit

32 MHz

64 kB

8 kB

10 bit, 12 bit

53 I/O

- 40 C

+ 85 C

Tube

16-bit Microcontrollers - MCU 16 BIT MCU, 16 MIPS 64KB Flash, XLP, LCD

PIC24FJ64GA406T-I/MR
Microchip Technology
3 300: ₡2 992,68
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC24FJ64GA406T-I/MR

Mouser Part #
579-24FJ64GA406TI/MR

Microchip Technology

16-bit Microcontrollers - MCU 16 BIT MCU, 16 MIPS 64KB Flash, XLP, LCD

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡2 992,68

Min.: 3 300
Mult.: 3 300

: 3 300

16-bit Microcontrollers - MCU

SMD/SMT

QFN-64

PIC24F

16 bit

32 MHz

64 kB

8 kB

10 bit, 12 bit

53 I/O

- 40 C

+ 85 C

Reel

16-bit Microcontrollers - MCU 16 BIT MCU, 16 MIPS 64KB Flash, XLP, USB

PIC24FJ64GB406T-I/MR
Microchip Technology
3 300: ₡3 185,25
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC24FJ64GB406T-I/MR

Mouser Part #
579-24FJ64GB406TI/MR

Microchip Technology

16-bit Microcontrollers - MCU 16 BIT MCU, 16 MIPS 64KB Flash, XLP, USB

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡3 185,25

Min.: 3 300
Mult.: 3 300

: 3 300

16-bit Microcontrollers - MCU

SMD/SMT

QFN-64

PIC24F

16 bit

32 MHz

64 kB

8 kB

10 bit, 12 bit

52 I/O

- 40 C

+ 85 C

Reel

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, 12-bit ADC

PIC32MK0512GPD064-E/MR
Microchip Technology
1: ₡4 824,71
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
PIC32MK0512GPD064-E/MR

Mouser Part #
579-2MK0512GPD064EMR

Microchip Technology

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, 12-bit ADC

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

₡4 824,71

₡4 741,44

₡4 736,24

₡4 481,21

₡4 470,80

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 microAptiv

32 bit

80 MHz

512 kB

128 kB

12 bit

48 I/O

- 40 C

+ 125 C

Tube

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC

PIC32MK0512GPE064-E/MR
Microchip Technology
120: ₡4 543,66
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
PIC32MK0512GPE064-E/MR

Mouser Part #
579-2MK0512GPE064EMR

Microchip Technology

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

₡4 543,66

₡4 528,05

₡4 507,23

₡4 491,62

Min.: 120
Mult.: 40

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 microAptiv

32 bit

80 MHz

512 kB

128 kB

12 bit

48 I/O

- 40 C

+ 125 C

Tube

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, 12-bit ADC

PIC32MK1024GPD064-I/MR
Microchip Technology
1: ₡4 725,83
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
PIC32MK1024GPD064-I/MR

Mouser Part #
579-2MK1024GPD064IMR

Microchip Technology

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, 12-bit ADC

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

₡4 725,83

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 microAptiv

32 bit

120 MHz

1 MB

256 kB

12 bit

48 I/O

- 40 C

+ 85 C

Tube

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC

PIC32MK1024GPE064-E/MR
Microchip Technology
1: ₡5 501,32
Lead-Time 10 Weeks

Mfr. Part #
PIC32MK1024GPE064-E/MR

Mouser Part #
579-2MK1024GPE064EMR

Microchip Technology

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC

Learn More

Datasheet

Lead-Time 10 Weeks

₡5 501,32

₡5 402,43

₡5 282,72

₡5 267,11

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 microAptiv

32 bit

80 MHz

1 MB

256 kB

12 bit

48 I/O

- 40 C

+ 125 C

Tube

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC

PIC32MK1024GPE064-I/MR
Microchip Technology
1: ₡4 996,47
Lead-Time 10 Weeks

Mfr. Part #
PIC32MK1024GPE064-I/MR

Mouser Part #
579-2MK1024GPE064IMR

Microchip Technology

32-bit Microcontrollers - MCU MCU32, 120MHz, 4 I2C, 6 I2S, USB FS, CAN 2.0B, 12-bit ADC

Learn More

Datasheet

Lead-Time 10 Weeks

₡4 996,47

₡4 840,33

₡4 793,49

₡4 772,67

View

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 microAptiv

32 bit

120 MHz

1 MB

256 kB

12 bit

48 I/O

- 40 C

+ 85 C

Tube

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, AD

PIC32MX150F256H-I/MR
Microchip Technology
1: ₡2 503,44
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX150F256H-I/MR

Mouser Part #
579-32MX150F256HI/MR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, AD

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡2 503,44

₡2 284,84

₡2 076,66

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

85 I/O

- 40 C

+ 105 C

Tube

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX150F256H-I/PT
Microchip Technology
1: ₡2 524,26
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX150F256H-I/PT

Mouser Part #
579-32MX150F256HI/PT

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡2 524,26

₡2 305,66

₡2 092,27

Min.: 1
Mult.: 1

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

53 I/O

- 40 C

+ 105 C

Tray

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX150F256HT-I/MR
Microchip Technology
3 300: ₡2 081,86
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX150F256HT-I/MR

Mouser Part #
579-32MX150F256HTIMR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡2 081,86

Min.: 3 300
Mult.: 3 300

: 3 300

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

85 I/O

- 40 C

+ 105 C

Reel

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX150F256HT-I/PT
Microchip Technology
1 200: ₡2 482,62
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
PIC32MX150F256HT-I/PT

Mouser Part #
579-32MX150F256HTIPT

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

₡2 482,62

Min.: 1 200
Mult.: 1 200

: 1 200

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

53 I/O

- 40 C

+ 105 C

Reel

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX150F256HT-V/MR
Microchip Technology
3 300: ₡2 539,87
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX150F256HT-V/MR

Mouser Part #
579-32MX150F256HTVMR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡2 539,87

Quote

Min.: 3 300
Mult.: 3 300

: 3 300

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

85 I/O

- 40 C

+ 105 C

Reel

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX150F256HT-V/PT
Microchip Technology
1 200: ₡2 617,94
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX150F256HT-V/PT

Mouser Part #
579-32MX150F256HTVPT

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡2 617,94

Min.: 1 200
Mult.: 1 200

: 1 200

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

53 I/O

- 40 C

+ 105 C

Reel

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX150F256H-V/MR
Microchip Technology
160: ₡2 576,30
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX150F256H-V/MR

Mouser Part #
579-32MX150F256HV/MR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡2 576,30

Min.: 160
Mult.: 40

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

85 I/O

- 40 C

+ 105 C

Tube

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX150F256H-V/PT
Microchip Technology
160: ₡2 597,12
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX150F256H-V/PT

Mouser Part #
579-32MX150F256HV/PT

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡2 597,12

₡2 591,92

Min.: 160
Mult.: 160

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

53 I/O

- 40 C

+ 105 C

Tray

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, AD

PIC32MX170F512H-I/MR
Microchip Technology
120: ₡3 346,59
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX170F512H-I/MR

Mouser Part #
579-32MX170F512HI/MR

Microchip Technology

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, AD

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡3 346,59

Min.: 120
Mult.: 40

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

40 MHz

512 kB

64 kB

10 bit

53 I/O

- 40 C

+ 85 C

Tube

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

PIC32MX170F512HT-I/MR
Microchip Technology
3 300: ₡3 164,43
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX170F512HT-I/MR

Mouser Part #
579-32MX170F512HTIMR

Microchip Technology

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡3 164,43

Quote

Min.: 3 300
Mult.: 3 300

: 3 300

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

512 kB

64 kB

10 bit

- 40 C

+ 85 C

Reel

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

PIC32MX170F512HT-V/MR
Microchip Technology
3 300: ₡3 294,55
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX170F512HT-V/MR

Mouser Part #
579-32MX170F512HTVMR

Microchip Technology

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡3 294,55

Quote

Min.: 3 300
Mult.: 3 300

: 3 300

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

512 kB

64 kB

10 bit

- 40 C

+ 105 C

Reel

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

PIC32MX170F512H-V/MR
Microchip Technology
120: ₡3 523,55
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX170F512H-V/MR

Mouser Part #
579-32MX170F512HV/MR

Microchip Technology

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡3 523,55

Min.: 120
Mult.: 40

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

512 kB

64 kB

10 bit

- 40 C

+ 105 C

Tube

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX250F256H-I/MR
Microchip Technology
160: ₡2 576,30
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX250F256H-I/MR

Mouser Part #
579-32MX250F256HI/MR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡2 576,30

Min.: 160
Mult.: 40

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

- 40 C

+ 85 C

Tube

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX250F256HT-I/MR
Microchip Technology
3 300: ₡2 586,71
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX250F256HT-I/MR

Mouser Part #
579-32MX250F256HTIMR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡2 586,71

Min.: 3 300
Mult.: 3 300

: 3 300

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

- 40 C

+ 85 C

Reel

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX250F256HT-V/MR
Microchip Technology
3 300: ₡2 602,33
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX250F256HT-V/MR

Mouser Part #
579-32MX250F256HTVMR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡2 602,33

Quote

Min.: 3 300
Mult.: 3 300

: 3 300

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

- 40 C

+ 105 C

Reel

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

PIC32MX250F256H-V/MR
Microchip Technology
160: ₡2 669,99
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX250F256H-V/MR

Mouser Part #
579-32MX250F256HV/MR

Microchip Technology

32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

₡2 669,99

₡2 654,37

₡2 617,94

₡2 597,12

Quote

Min.: 160
Mult.: 40

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

MIPS32 M4K

32 bit

50 MHz

256 kB

32 kB

10 bit

- 40 C

+ 105 C

Tube

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

PIC32MX270F512HT-I/MR
Microchip Technology
3 300: ₡3 289,34
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
PIC32MX270F512HT-I/MR

Mouser Part #
579-32MX270F512HTIMR

Microchip Technology

32-bit Microcontrollers - MCU 512KB Flash 64KB RAM I2S, CTMU, UART, ADC

Learn More

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

₡3 289,34

Quote

Min.: 3 300
Mult.: 3 300

: 3 300

32-bit Microcontrollers - MCU

SMD/SMT

QFN-64

RISC

32 bit

50 MHz

512 kB

64 kB

10 bit

81 I/O

- 40 C

+ 85 C

Reel

QFN-64 Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

ARM7TDMI
ARM Cortex M0+
ARM Cortex M3
ARM Cortex M33
ARM Cortex M4
ARM Cortex M4F
ARM Cortex M7
AVR
dsPIC33CD
dsPIC33CH
dsPIC33CK
dsPIC33E
dsPIC33EP
dsPIC33FJ
MIPS32 M4K
MIPS32 M-Class
MIPS32 microAptiv
MIPS32 microAptiv UC
PIC
PIC16

8 MHz
16 MHz
20 MHz
24 MHz
25 MHz
32 MHz
40 MHz
40.8 MHz
48 MHz
50 MHz
55 MHz
60 MHz
64 MHz
66 MHz
70 MHz
72 MHz
80 MHz
100 MHz
120 MHz
160 MHz

8 kB
14 kB
16 kB
24 kB, 128 kB
24 kB, 64 kB
28 kB
32 kB
56 kB
64 kB
96 kB
128 kB
192 kB
256 kB
384 kB
512 kB
1 MB
1.02 MB
2 MB
2.05 MB
4 MB

512 B
768 B
1 kB
1.5 kB
2 kB
3 kB
3.47 kB
3.5 kB
3.6 kB
4 kB
4 kB, 16 kB
8 kB
9 kB
12 kB
16 kB
16 kB, 32 kB
16 kB, 48 kB
24 kB
28 kB
32 kB

31 I/O
32 I/O
36 I/O
37 I/O
38 I/O
41 I/O
43 I/O
44 I/O
45 I/O
46 I/O
47 I/O
48 I/O
49 I/O
50 I/O
51 I/O
52 I/O
53 I/O
54 I/O
55 I/O
56 I/O