AT91SAM9G25-CU(2013) Просмотр технического описания (PDF) - Atmel Corporation

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Компоненты Описание

производитель

AT91SAM9G25-CU
(Rev.:2013)

AT91SAM ARM-based Embbedded MPU

Atmel Corporation 

4.3 I/O Description

Table 4-1. SAM9G25 I/O Type Description

I/O Type

Voltage Range

Analog

GPIO

1.65-3.6V

GPIO_CLK

1.65-3.6V

GPIO_CLK2

1.65-3.6V

GPIO_ANA

3.0-3.6V

I

EBI

1.65-1.95V, 3.0-

3.6V

EBI_O

1.65-1.95V, 3.0-

3.6V

EBI_CLK

1.65-1.95V, 3.0-

3.6V

RSTJTAG

3.0-3.6V

SYSC

1.65-3.6V

VBG

0.9-1.1V

I

USBFS

3.0-3.6V

I/O

USBHS

3.0-3.6V

I/O

CLOCK

1.65-3.6V

I/O

DIB

3.0-3.6V

I/O

Pull-up

Switchable

Switchable

Switchable

Switchable

Switchable

Reset State

Reset State

Reset State

Pull-down

Switchable

Switchable

Switchable

Switchable

Reset State

Schmitt Trigger

Switchable

Switchable

Switchable

Switchable

Reset State

Reset State

Reset State

Reset State

When “Reset State” is mentioned, the configuration is defined by the “Reset State” column of the Pin Description table.

Table 4-2. SAM9G25 I/O Type Assignment and Frequency

I/O Type

I/O Frequency Charge Load

(MHz)

(pF)

Output

Current

Signal Name

GPIO

40

10

All PIO lines except the following

GPIO_CLK

54

10

MCI0CK, MCI1CK, SPI0SPCK, SPI1SPCK,

EMACx_ETXCK, ISI_MCK

GPIO_CLK2

75

10

GPIO_ANA

25

16 mA,

10

40 mA (peak)

ADx, GPADx

50 (3.3V)

EBI

133

30 (1.8V)

All Data lines (Input/output) except the following

EBI_O

50 (3.3V)

66

30 (1.8V)

All Address and control lines (output only) except the

following

EBI_CLK

133

10

CK, #CK

RSTJTAG

10

10

NRST, NTRST, BMS, TCK, TDI, TMS, TDO, RTCK

SYSC

0.25

10

WKUP, SHDN, JTAGSEL, TST, SHDN

VBG

0.25

10

VBG

USBFS

12

10

HFSDPA, HFSDPB/DFSDP, HFSDPC, HFSDMA,

HFSDMB/DFSDM, HFSDMC

SAM9G25 [DATASHEET] 11

11032C–ATARM–25-Jan-13

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