SAM7S32 Atmel Corporation, SAM7S32 Datasheet - Page 92

• Manufacturer Part Number: SAM7S32
• 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

16.4
Table 16-1.
16.4.1
Register Name:
Access Type:
• WDRSTT: Watchdog Restart
0: No effect.
1: Restarts the Watchdog.
• KEY: Password
Should be written at value 0xA5. Writing any other value in this field aborts the write operation.
92
Offset
0x00
0x04
0x08
31
23
15
–
–
7
–
Watchdog Timer (WDT) User Interface
SAM7S Series
Watchdog Timer Control Register
Register Mapping
Register
Control Register
Mode Register
Status Register
30
22
14
WDT_CR
–
–
6
–
Write-only
29
21
13
–
–
5
–
28
20
12
–
–
4
–
KEY
Name
WDT_CR
WDT_MR
WDT_SR
27
19
11
–
–
3
–
26
18
10
–
–
2
–
Read-write Once
Read-only
Write-only
Access
25
17
–
9
–
1
–
6175L–ATARM–28-Jul-11
0x3FFF_2FFF
0x0000_0000
Reset
WDRSTT
-
24
16
–
8
–
0