M55800A Atmel Corporation, M55800A Datasheet - Page 107

• 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

USART User Interface
Base Address USART0: 0xFFFD0000 (Code Label USART0_BASE)
Base Address USART1: 0xFFFCC000 (Code Label USART1_BASE)
Table 15. USART Memory Map
1354D–ATARM–08/02
Offset
0x0C
0x1C
0x2C
0x3C
0x00
0x04
0x08
0x10
0x14
0x18
0x20
0x24
0x28
0x30
0x34
0x38
Register
Control Register
Mode Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Channel Status Register
Receiver Holding Register
Transmitter Holding Register
Baud Rate Generator Register
Receiver Time-out Register
Transmitter Time-guard Register
Reserved
Receive Pointer Register
Receive Counter Register
Transmit Pointer Register
Transmit Counter Register
US_BRGR
US_RTOR
US_TTGR
US_CSR
US_RHR
US_RPR
US_RCR
US_THR
US_TPR
US_TCR
US_IDR
US_IMR
US_IER
US_CR
US_MR
Name
–
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read Only
Read Only
Read Only
Write Only
Write Only
Write Only
Write Only
Access
AT91X40 Series
–
Reset State
0x18
–
0
–
–
0
0
–
0
0
0
–
0
0
0
0
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