AT91SAM7L64 ATMEL Corporation, AT91SAM7L64 Datasheet - Page 6

• Manufacturer Part Number: AT91SAM7L64
• Description: (AT91SAM7L64 / AT91SAM7L128) AT91 ARM Thumb-based Microcontroller
• Manufacturer: ATMEL Corporation

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Table 3-1.
6
Signal Name
NRST
TST
NRSTB
DRXD
DTXD
IRQ0 - IRQ1
FIQ
PA0 - PA25
PB0 - PB23
PC0 - PC29
SCK0 - SCK1
TXD0 - TXD1
RXD0 - RXD1
RTS0 - RTS1
CTS0 - CTS1
DCD1
DTR1
DSR1
RI1
TCLK0 - TCLK2 External Clock Inputs
TIOA0 - TIOA2
TIOB0 - TIOB2
PWM0 - PWM3 PWM Channels
MISO
MOSI
SPCK
NPCS0
NPCS1-NPCS3 SPI Peripheral Chip Select 1 to 3
AT91SAM7L128/64 Preliminary
Signal Description List (Continued)
Asynchronous Master Reset
Debug Transmit Data
External Interrupt Inputs
Parallel IO Controller B
Parallel IO Controller C
Receive Data
Request To Send
Clear To Send
Data Terminal Ready
Ring Indicator
Timer Counter I/O Line B
Function
Microcontroller Reset
Test Mode Select
Debug Receive Data
Fast Interrupt Input
Parallel IO Controller A
Serial Clock
Transmit Data
Data Carrier Detect
Data Set Ready
Timer Counter I/O Line A
Master In Slave Out
Master Out Slave In
SPI Serial Clock
SPI Peripheral Chip Select 0
Serial Peripheral Interface
PWM Controller
Timer/Counter
Debug Unit
Reset/Test
USART
Output
Output
Output
Output
Output
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
AIC
PIO
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Low
Reference Comments
VDDIO1
VDDIO1
VDDIO1
VDDIO2
VDDIO1
VDDIO2
Voltage
Internal Pull-up (100 k
Internal Pull-down (15 k
Internal Pull-up (15 k
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
6257AS–ATARM–28-Feb-08
Ω
Ω
) resistor
Ω
) resistor
) resistor