AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 402

• Manufacturer Part Number: AT91RM9200-CI-002
• Description: IC ARM9 MCU 256 BGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91RM9200-CI-002

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 180MHz
• Connectivity: EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: POR
• Number Of I /o: 122
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: ROM
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

29.6
Table 29-2.
402
0x000C
0x002C
0x0000
0x0004
0x0008
0x0010
0x0020
0x0024
0x0028
0x0030
0x0034
Offset
Two-wire Interface (TWI) User Interface
AT91RM9200
TWI Register Mapping
Register
Control Register
Master Mode Register
Reserved
Internal Address Register
Clock Waveform Generator Register
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Receive Holding Register
Transmit Holding Register
TWI_CWGR
TWI_MMR
TWI_IADR
TWI_RHR
TWI_THR
TWI_IMR
TWI_IER
TWI_IDR
TWI_CR
TWI_SR
Name
Read/Write
Read/Write
Read/Write
Read/Write
Write-only
Read-only
Write-only
Write-only
Read-only
Read-only
Access
1768I–ATARM–09-Jul-09
Reset Value
0x0000
0x0000
0x0000
0x0000
0x0008
0x0000
0x0000
N/A
N/A
N/A