SAM7S128 Atmel Corporation, SAM7S128 Datasheet - Page 239
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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ARM DDI 0029G
The following scan chain control signals can also be used for scan chain 3:
nHIGHZ
RSTCLKBS This signal is active when the TAP controller state machine is in the
In addition to these control outputs, SDINBS output and SDOUTBS input are also
provided. When an external scan chain is in use, SDOUTBS must be connected to the
serial data output of the external scan chain and SDINBS must be connected to the serial
data input of the scan chain.
Copyright © 1994-2001. All rights reserved.
This signal can be used to drive the outputs of the scan cells to the HIGH
impedance state. This signal is driven LOW when the HIGHZ instruction
is loaded into the instruction register and HIGH at all other times.
RESET-TEST LOGIC state. It can be used to reset any additional scan
cells.
Debug in Depth
B-21
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