SAM7S128 Atmel Corporation, SAM7S128 Datasheet - Page 32
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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
9.5
9.6
9.7
32
Debug Unit
Periodic Interval Timer
Watchdog Timer
SAM7S Series Summary
Note:
• Comprises:
• Two-pin UART
• Debug Communication Channel Support
• Chip ID Registers
• 20-bit programmable counter plus 12-bit interval counter
• 12-bit key-protected Programmable Counter running on prescaled SCLK
• Provides reset or interrupt signals to the system
• Counter may be stopped while the processor is in debug state or in idle mode
– One two-pin UART
– One Interface for the Debug Communication Channel (DCC) support
– One set of Chip ID Registers
– One Interface providing ICE Access Prevention
– Implemented features are compatible with the USART
– Programmable Baud Rate Generator
– Parity, Framing and Overrun Error
– Automatic Echo, Local Loopback and Remote Loopback Channel Modes
– Offers visibility of COMMRX and COMMTX signals from the ARM Processor
– Identification of the device revision, sizes of the embedded memories, set of
– Chip ID is 0x270B0A40 for AT91SAM7S512 Rev A
– Chip ID is 0x270B0A4F for AT91SAM7S512 Rev B
– Chip ID is 0x270D0940 for AT91SAM7S256 Rev A
– Chip ID is 0x270B0941 for AT91SAM7S256 Rev B
– Chip ID is 0x270B0942 for AT91SAM7S256 Rev C
– Chip ID is 0x270C0740 for AT91SAM7S128 Rev A
– Chip ID is 0x270A0741 for AT91SAM7S128 Rev B
– Chip ID is 0x270A0742 for AT91SAM7S128 Rev C
– Chip ID is 0x27090540 for AT91SAM7S64 Rev A
– Chip ID is 0x27090543 for AT91SAM7S64 Rev B
– Chip ID is 0x27090544 for AT91SAM7S64 Rev C
– Chip ID is 0x27080342 for AT91SAM7S321 Rev A
– Chip ID is 0x27080340 for AT91SAM7S32 Rev A
– Chip ID is 0x27080341 for AT91SAM7S32 Rev B
– Chip ID is 0x27050241 for AT9SAM7S161 Rev A
– Chip ID is 0x27050240 for AT91SAM7S16 Rev A
peripherals
Refer to the errata section of the datasheet for updates on chip ID.
6175JS–ATARM–28-Jul-11