M55800A Atmel Corporation, M55800A Datasheet - Page 230
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
- M40800 PDF datasheet
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- M55800A PDF datasheet #3
- M55800A PDF datasheet #4
- M55800A PDF datasheet #5
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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
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