AT91SAM9G45-CU datasheet(5/1159 Pages) ATMEL

5 / 1159 page

6438D–ATARM–13-Oct-09

AT91SAM9G45

Shutdown, Wakeup Logic

SHDN

Shut-Down Control

Output

VDDBU

Driven at 0V only.

0: The device is in backup

mode

1: The device is running (not in

backup mode).

WKUP

Wake-Up Input

Input

VDDBU

Accept between 0V and

VDDBU.

ICE and JTAG

TCK

Test Clock

Input

VDDIOP0

No pull-up resistor, Schmitt

trigger

TDI

Test Data In

Input

VDDIOP0

No pull-up resistor, Schmitt

trigger

TDO

Test Data Out

Output

VDDIOP0

TMS

Test Mode Select

Input

VDDIOP0

No pull-up resistor, Schmitt

trigger

JTAGSEL

JTAG Selection

Input

VDDBU

Pull-down resistor (15 k

Ω).

RTCK

Return Test Clock

Output

VDDIOP0

Reset/Test

NRST

Microcontroller Reset (2)

I/O

Low

VDDIOP0

Pull-Up resistor (100 k

Ω),

Schmitt trigger

TST

Test Mode Select

Input

VDDBU

Pull-down resistor (15 k

Ω),

Schmitt trigger

NTRST

Test Reset Signal

Input

VDDIOP0

Pull-Up resistor (100 k

Ω),

Schmitt trigger

BMS

Boot Mode Select

Input

VDDIOP0

must be connected to GND or

VDDIOP0.

Debug Unit - DBGU

DRXD

Debug Receive Data

Input

(1)

DTXD

Debug Transmit Data

Output

(1)

Advanced Interrupt Controller - AIC

IRQ

External Interrupt Input

Input

(1)

FIQ

Fast Interrupt Input

Input

(1)

PIO Controller - PIOA- PIOB - PIOC - PIOD - PIOE

PA0 - PA31

Parallel IO Controller A

I/O

(1)

Pulled-up input at reset

(100k

Ω)(3), Schmitt trigger

PB0 - PB31

Parallel IO Controller B

I/O

(1)

Pulled-up input at reset

(100k

Ω)(3), Schmitt trigger

PC0 - PC31

Parallel IO Controller C

I/O

(1)

Pulled-up input at reset

(100k

Ω)(3), Schmitt trigger

Table 3-1.

Signal Description List (Continued)

Signal Name

Function

Type

Active

Level

Reference

Voltage

Comments

AT91SAM9G45-CU датащи(PDF) 5 Page - ATMEL Corporation

AT91SAM9G45-CU датащи(HTML) 5 Page - ATMEL Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

датащи скачать

ссылки URL