M55800A Atmel Corporation, M55800A Datasheet - Page 228

• 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

22.2.2
Register Name:
Access Type:
Reset State:
Offset:
• TTRGEN: Timer Trigger Enable (Code Label DAC_TTRGEN_EN)
• TTRGSEL: Timer Trigger Selection
Only used if TTRGEN = 1
• RES: Resolution
228
TTRGEN
31
23
15
–
–
–
7
–
0
1
0
0
0
0
1
1
1
AT91M5880A
DAC Mode Register
Selected TTRGEN
The data written into the Data Holding Register (DAC_DHR) is transferred
one main clock cycle later to the data output register (DAC_DOR).
The data transfer from the DAC_DHR to the DAC_DOR is synchronized
by the timer trigger.
TTRGSEL
RES
DAC_MR
Read/Write
0
0x04
30
22
14
0
1
–
–
–
6
–
0
0
1
1
0
0
1
29
21
13
X
0
1
0
1
0
1
–
–
–
5
–
RES
28
20
12
–
–
–
4
Selected Timer Trigger
10-bit resolution
8-bit resolution
Selected RES
Reserved
TIOA0
TIOA1
TIOA2
TIOA3
TIOA4
TIOA5
27
19
11
–
–
–
3
TTRGSEL
26
18
10
–
–
–
2
DAC_TTRGEN_DIS
DAC_TTRGEN_EN
DAC_10_BIT_RES
DAC_8_BIT_RES
DAC_TRG_TIOA0
DAC_TRG_TIOA1
DAC_TRG_TIOA2
DAC_TRG_TIOA3
DAC_TRG_TIOA4
DAC_TRG_TIOA5
DAC_TTRGSEL
Code Label
Code Label
Code Label
25
17
–
–
–
9
1
–
1745F–ATARM–06-Sep-07
TTRGEN
24
16
–
–
8
–
0