AT91SAM9G35-CU Datasheet, PDF (721/1224 Pages) ATMEL Corporation – AT91SAM ARM-based Embbedded MPU

38.4 Block Diagram
Figure 38-1. Block Diagram
APB Bridge
PMC
MCK
Two-wire
Interface
38.5 Application Block Diagram
Figure 38-2. Application Block Diagram
Host with
TWI
Interface
TWD
TWCK
Atmel TWI
Serial EEPROM
Slave 1
I²C RTC
Slave 2
Rp: Pull up value as given by the I²C Standard
38.5.1 I/O Lines Description
Table 38-3. I/O Lines Description
Pin Name
Pin Description
TWD
Two-wire Serial Data
TWCK
Two-wire Serial Clock
PIO
TWTIWI
InteInrtreurprtupt InterAruICpt
Controller
TWCK
TWD
VDD
Rp
Rp
I²C LCD
Controller
Slave 3
I²C Temp.
Sensor
Slave 4
Type
Input/Output
Input/Output
SAM9G35 [DATASHEET]
11053D–ATARM–11-Feb-13
721