SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 6

• Manufacturer Part Number: SAM7L128
• Manufacturer: Atmel Corporation

Specifications of SAM7L128

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 36 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 80
• Ext Interrupts: 80
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 3
• Segment Lcd: 40
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 4
• Adc Resolution (bits): 10
• Adc Speed (ksps): 460
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 6
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.8 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

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
6257A–ATARM–20-Feb-08
Ω
Ω
) resistor
Ω
) resistor
) resistor