M55800A Atmel Corporation, M55800A Datasheet - Page 132
M55800A
Manufacturer Part Number
M55800A
Description
Manufacturer
Atmel Corporation
Datasheets
1.M40800.pdf
(284 pages)
2.M40800.pdf
(153 pages)
3.M55800A.pdf
(29 pages)
4.M55800A.pdf
(256 pages)
5.M55800A.pdf
(28 pages)
Specifications of M55800A
Flash (kbytes)
0 Kbytes
Pin Count
176
Max. Operating Frequency
33 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
58
Ext Interrupts
58
Usb Speed
No
Usb Interface
No
Spi
1
Uart
3
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
72
Resistive Touch Screen
No
Dac Channels
1
Dac Resolution (bits)
10
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
- M40800 PDF datasheet
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17.2.3
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.
132
31
23
15
–
–
–
7
AT91M5880A
Reset Status Register
Reset
0x6C
0x53
30
22
14
SF_RSR
Read-only
0x08
–
–
–
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
1745F–ATARM–06-Sep-07
24
16
–
–
8
–
0
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