M55800A Atmel Corporation, M55800A Datasheet - Page 82

• Manufacturer Part Number: M55800A
• Manufacturer: Atmel Corporation

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

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