SAM7S128 Atmel Corporation, SAM7S128 Datasheet - Page 225
SAM7S128
Manufacturer Part Number
SAM7S128
Description
Manufacturer
Atmel Corporation
Specifications of SAM7S128
Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
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)
3.0 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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B.3
ARM DDI 0029G
Pullup resistors
The IEEE 1149.1 standard implies that nTRST, TDI, and TMS must have internal
pullup resistors. To minimize static current draw, these resistors are not fitted to the
ARM7TDMI core. Accordingly, the four inputs to the test interface, the nTRST, TDI,
and TMS signal plus TCK, must all be driven to good logic levels to achieve normal
circuit operation.
Copyright © 1994-2001. All rights reserved.
Debug in Depth
B-7
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