SAM7S32 Atmel Corporation, SAM7S32 Datasheet - Page 232
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SAM7S32
Manufacturer Part Number
SAM7S32
Description
Manufacturer
Atmel Corporation
Specifications of SAM7S32
Flash (kbytes)
32 Kbytes
Pin Count
48
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
21
Ext Interrupts
21
Usb Speed
No
Usb Interface
No
Spi
1
Twi (i2c)
1
Uart
2
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)
8
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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Debug in Depth
B.6
B.6.1
B.6.2
B-14
Test data registers
Bypass register
ARM7TDMI core device IDentification (ID) code register
31
There are seven test data registers that can connect between TDI and TDO:
•
•
•
•
•
In the following test data register descriptions, data is shifted during every TCK cycle.
Purpose
Length
Operating mode
Purpose
Length
Contact your supplier for the correct device identification code.
Operating mode
Version
Bypass register on page B-14
ARM7TDMI core device IDentification (ID) code register on page B-14
Instruction register on page B-15
Scan path select register on page B-15
Scan chains 0, 1, 2, and 3 on page B-16.
28
Copyright © 1994-2001. All rights reserved.
27
Bypasses the device during scan testing by providing a path
between TDI and TDO.
1 bit.
When the BYPASS instruction is the current instruction in the
instruction register, serial data is transferred from TDI to TDO in
the SHIFT-DR state with a delay of one TCK cycle. There is no
parallel output from the bypass register.
A logic 0 is loaded from the parallel input of the bypass register in
the CAPTURE-DR state.
Reads the 32-bit device identification code. No programmable
supplementary identification code is provided.
32 bits. The format of the register is as shown in Figure B-3.
When the IDCODE instruction is current, the ID register is
selected as the serial path between TDI and TDO. There is no
parallel output from the ID register.
Part number
Figure B-3 ID code register format
12
11
Manufacturer identity 1
ARM DDI 0029G
1
0
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