M55800A Atmel Corporation, M55800A Datasheet - Page 147

• 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

18.10.2
Name:
Access Type:
Reset State:
Offset:
• USCLKS: Clock Selection (Baud Rate Generator Input Clock)
• CHRL: Character Length
Start, stop and parity bits are added to the character length.
• SYNC: Synchronous Mode Select (Code Label US_SYNC)
0 = USART operates in Asynchronous Mode.
1 = USART operates in Synchronous Mode.
• PAR: Parity Type
1745F–ATARM–06-Sep-07
0
0
0
0
1
1
31
23
15
–
–
7
0
0
1
0
0
1
1
USART Mode Register
CHMODE
USCLKS
CHRL
CHRL
PAR
0
0
1
1
0
1
US_MR
Read/Write
0
0x04
30
22
14
–
–
6
X
0
1
0
1
0
1
0
1
0
1
x
x
Selected Clock
MCK
MCK/8
External (SCK)
Character Length
Five bits
Six bits
Seven bits
Eight bits
Parity Type
Even Parity
Odd Parity
Parity forced to 0 (Space)
Parity forced to 1 (Mark)
No parity
Multi-drop mode
29
21
13
–
–
5
NBSTOP
USCLKS
28
20
12
–
–
4
27
19
11
–
–
3
–
CLKO
PAR
26
18
10
–
–
2
Code Label: US_CLKS
US_CLKS_MCK
US_CLKS_MCK8
US_CLKS_SCK
Code Label: US_CHRL
US_CHRL_5
US_CHRL_6
US_CHRL_7
US_CHRL_8
Code Label: US_PAR
US_PAR_EVEN
US_PAR_ODD
US_PAR_SPACE
US_PAR_MARK
US_PAR_NO
US_PAR_MULTIDROP
MODE9
AT91M5880A
25
17
–
–
9
1
SYNC
24
16
–
–
–
8
0
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