M55800A Atmel Corporation, M55800A Datasheet - Page 82
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
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13.3.5
Register Name:
Access Type:
Reset State:
Offset:
• SEC: Second Alarm
This field is the alarm field corresponding to the BCD-coded second counter.
• SECEN: Second Alarm Enable
• MIN: Minute Alarm
This field is the alarm field corresponding to the BCD-coded minute counter.
• MINEN: Minute Alarm Enable
• HOUR: Hour Alarm
This field is the alarm field corresponding to the BCD-coded hour counter.
• AMPM: AM/PM Indicator
This bit is the AM/PM indicator in 12-Hour mode. It must be written at 0 if HRMOD in RTC_HMR defines 24-Hour mode.
• HOUREN: Hour Alarm Enable
82
SECEN
0
1
MINEN
0
1
HOUREN
0
1
HOUREN
SECEN
MINEN
31
23
15
–
7
AT91M5880A
RTC Time Alarm Register
AMPM
30
22
14
Selected SECEN
The second matching alarm is disabled.
The second matching alarm is enabled.
Selected MINEN
The minute matching alarm is disabled.
The minute matching alarm is enabled.
Selected HOUREN
The hour matching alarm is disabled.
The hour matching alarm is enabled.
RTC_TAR
Read/Write
0x0
0x10
–
6
29
21
13
–
5
28
20
12
–
4
SEC
MIN
27
19
11
–
3
HOUR
Code Label
RTC_SEC_ALARM_DIS
RTC_SEC_ALARM_EN
Code Label
RTC_MIN_ALARM_DIS
RTC_MIN_ALARM_EN
Code Label
RTC_HOUR_ALARM_DIS
RTC_HOUR_ALARM_EN
26
18
10
–
2
25
17
–
9
1
1745F–ATARM–06-Sep-07
24
16
–
8
0
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