SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 158

• 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 20-1.
Note:
158
Signal Name
VDDIO1
VDDIO2
VDDCORE
VDDOUT
VDDINLCD
VDD3V6
VDDLCD
GND
XIN
TST
CLKIN
FWUP
PGMNCMD
PGMRDY
PGMNOE
PGMNVALID
PGMM[3:0]
PGMD[15:0]
1. See
AT91SAM7L128/64 Preliminary
Signal Description List
Figure 20-2
Function
I/O Lines Power Supply
I/O Lines Power Supply
Core Power Supply
Voltage Regulator Output
Charge pump input
Charge pump output
LCD voltage input
Ground
Clock Input
Test Mode Select
External clock input used to enter in
FFPI mode
Wake-up pin
Valid command available
0: Device is busy
1: Device is ready for a new command
Output Enable (active high)
0: DATA[15:0] is in input mode
1: DATA[15:0] is in output mode
Specifies DATA type (See
Bi-directional data bus
below.
Table
20-2)
Clocks
Power
Test
PIO
Input/Output
Ground
Output
Output
Power
Power
Power
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Active
Level
High
High
High
Low
Low
Low
Low
Comments
Apply externally 2.2V-3.6V (1)
Apply externally 2.2V-3.6V (1)
Apply externally 1.80V-1.95V (1)
Connect to VDDCORE. 2.2 µF
decoupling capacitor needed
Connect to ground
Left unconnected
Connect to VDDIO2
0 to 10MHz (0-VDDIO1 square wave)
Must be connected to VDDIO1
Must be connected to VDDIO1
Must be connected to GND
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
6257A–ATARM–20-Feb-08
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