M42800A Atmel Corporation, M42800A Datasheet - Page 118

• Manufacturer Part Number: M42800A
• Manufacturer: Atmel Corporation

Specifications of M42800A

• Flash (kbytes): 0 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 33 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 54
• Ext Interrupts: 54
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 8
• Self Program Memory: NO
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3/5.0
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

16.3
Register Name:
Access Type:
Offset:
This register is reserved for future use. It will be defined when needed.
16.4
Register Name:
Access Type:
Offset:
• RESET: Reset Status Information
This field indicates whether the reset was demanded by the external system (via NRST) or by the Watchdog internal reset
request.
118
31
23
15
–
–
–
7
Chip ID Extension Register
Reset Status Register
AT91M42800A
Reset
0x6C
0x53
SF_EXID
Read-only
0x04
SF_RSR
Read-only
0x08
30
22
14
–
–
–
6
Cause of Reset
External Pin
Internal Watchdog
29
21
13
–
–
–
5
28
20
12
–
–
–
4
RESET
27
19
11
–
–
–
3
Code Label
SF_EXT_RESET
SF_WD_RESET
26
18
10
–
–
–
2
25
17
–
–
9
–
1
1779D–ATARM–14-Apr-06
24
16
–
–
8
–
0