AT91RM9200-CI-002 Atmel, AT91RM9200-CI-002 Datasheet - Page 398

• 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: -

Figure 29-5. Master Write with One, Two or Three Bytes Internal Address and One Data Byte
Figure 29-6. Master Write with One Byte Internal Address and Multiple Data Bytes
Figure 29-7. Master Read with One, Two or Three Bytes Internal Address and One Data Byte
Figure 29-8. Master Read with One Byte Internal Address and Multiple Data Bytes
398
TXCOMP
TWD
TWD
TWD
TXCOMP
TWD
TWD
TWD
TXRDY
RXRDY
TWD
TWD
Three bytes internal address
Two bytes internal address
One byte internal address
Three bytes internal address
Two bytes internal address
One byte internal address
S
S
S
AT91RM9200
S
S
S
S
S
Write THR
Write THR
Write START Bit
DADR
DADR
DADR
DADR
DADR
DADR
DADR
DADR
W
W
W
slave address higher than seven bits, the user must configure the address size (IADRSZ) and
set the other slave address bits in the internal address register (TWI_IADR).
W
• S = Start
W
W
W
W
A
A
A
A
A
A
A
A
IADR(23:16)
IADR(15:8)
IADR(7:0)
IADR(7:0)
IADR(7:0)
IADR(23:16)
IADR(15:8)
IADR(7:0)
A
A
A
A
A
IADR(15:8)
A
A
A
IADR(7:0)
S
S
DADR
DATA
IADR(15:8)
IADR(7:0)
DATA
DADR
A
A
R
Write THR
A
IADR(7:0)
S
A
A
A
A
R
DADR
IADR(7:0)
P
A
DATA
DATA
A
DATA
DATA
S
R
Write THR
Read RHR
A
A
A
A
N
DADR
DATA
A
P
DATA
P
Write STOP Bit
DATA
DATA
DATA
1768I–ATARM–09-Jul-09
R
N
Read RHR
A
P
N
A
A
N
P
P
P
P