Datasheet

465
11011B–ATARM–21-Feb-12
SAM3N
465
11011B–ATARM–21-Feb-12
SAM3N
28.4 Block Diagram
Figure 28-1. Block Diagram
28.5 Application Block Diagram
Figure 28-2. Application Block Diagram
28.5.1 I/O Lines Description
APB Bridge
PMC
MCK
Two-wire
Interface
PIO
NVIC
TWI
Interrupt
TWCK
TWD
Host with
TWI
Interface
TWD
TWCK
Atmel TWI
Serial EEPROM
I²C RTC
I²C LCD
Controller
Slave 1 Slave 2 Slave 3
VDD
I²C Temp.
Sensor
Slave 4
Rp: Pull up value as given by the I²C Standard
Rp Rp
Table 28-3. I/O Lines Description
Pin Name Pin Description Type
TWD Two-wire Serial Data Input/Output
TWCK Two-wire Serial Clock Input/Output