M55800A Atmel Corporation, M55800A Datasheet - Page 159
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
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18.10.10 USART Receiver Time-out Register
Name:
Access Type:
Reset State:
Offset:
• TO: Time-out Value
When a value is written to this register, a Start Time-out Command is automatically performed.
Time-out duration = TO x 4 x Bit period
18.10.11 USART Transmitter Time-guard Register
Name:
Access Type:
Reset State:
Offset:
• TG: Time-guard Value
Time-guard duration = TG x Bit period
1745F–ATARM–06-Sep-07
1 - 255
1 - 255
TO
0
TG
0
31
23
15
31
23
15
–
–
–
7
–
–
–
7
Disables the RX Time-out function.
The Time-out counter is loaded with TO when the Start Time-out Command is given or when each new data character is
received (after reception has started).
Disables the TX Time-guard function.
TXD is inactive high after the transmission of each character for the time-guard duration.
US_RTOR
Read/Write
0
0x24
30
22
14
US_TTGR
Read/Write
0
0x28
30
22
14
–
–
–
6
–
–
–
6
29
21
13
29
21
13
–
–
–
5
–
–
–
5
28
20
12
28
20
12
–
–
–
4
–
–
–
4
TG
TO
27
19
11
27
19
11
–
–
–
3
–
–
–
3
26
18
10
26
18
10
–
–
–
–
–
–
2
2
AT91M5880A
25
17
25
17
–
–
–
–
–
–
9
1
9
1
24
16
24
16
–
–
–
–
–
–
8
0
8
0
159
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