SAM7L128 Atmel Corporation, SAM7L128 Datasheet - Page 158
SAM7L128
Manufacturer Part Number
SAM7L128
Description
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
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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
(1)
(1)
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