M55800A Atmel Corporation, M55800A Datasheet - Page 230

• 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

22.2.4
Register Name:
Access Type:
Reset State:
Offset:
• DATA: Data being Converted (Code Label DAC_DATA_10BITS or DAC_DATA_8BITS depending on RES)
Data being converted is stored, in a right-aligned format, in this register.
All non-significant bits read 0.
22.2.5
Register Name:
Access Type:
Reset State:
Offset:
• DATRDY: Data Ready for Conversion (Code Label DAC_DATRDY)
0 = Data has been written to the Data Holding Register and not yet transferred to the Data Output Register.
1 = The last data written in the Data Holding Register has been transferred to the Data Output Register. This is equal to 0
when the Timer Trigger is disabled or at reset. Enabling the Timer Trigger sets this bit to 1.
230
31
23
15
31
23
15
–
–
–
7
–
–
–
7
–
AT91M5880A
DAC Output Register
DAC Status Register
DAC_DOR
Read-only
0
0x0C
30
22
14
DAC_SR
Read-only
0
0x10
30
22
14
–
–
–
6
–
–
–
6
–
29
21
13
29
21
13
–
–
–
5
–
–
–
5
–
28
20
12
28
20
12
–
–
–
4
–
–
–
4
–
DATA
27
19
11
27
19
11
–
–
–
–
–
–
–
3
3
26
18
10
26
18
10
–
–
–
2
–
–
–
2
–
25
17
25
17
–
–
–
–
–
–
9
1
9
1
1745F–ATARM–06-Sep-07
DATA
DATRDY
24
16
24
16
–
–
8
0
–
–
8
–
0