M55800A Atmel Corporation, M55800A Datasheet - Page 77

• 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
Base Address:0xFFFB8000 (Code Label RTC_BASE)
Table 13-1.
1745F–ATARM–06-Sep-07
0x000C
0x001C
0x002C
0x0000
0x0004
0x0008
0x0010
0x0014
0x0018
0x0020
0x0024
0x0028
Offset
RTC User Interface
Register Mapping
Register
Mode Register
Hour Mode Register
Time Register
Calendar Register
Time Alarm Register
Calendar Alarm Register
Status Register
Status Clear Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Valid Entry Register
RTC_CALR
RTC_TIMR
RTC_HMR
RTC_CAR
RTC_SCR
RTC_VER
RTC_TAR
RTC_IMR
RTC_IER
RTC_IDR
RTC_MR
RTC_SR
Name
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Write-only
Write-only
Write-only
Read-only
Read-only
Access
AT91M5880A
0x00000000
0x00000000
0x00000000
0x01819819
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
Reset State
–
–
–
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