Datasheet

2017 Microchip Technology Inc. DS60001516A-page 409
SAM9G20
30.3 Block Diagram
Figure 30-1: Block Diagram
30.4 Application Block Diagram
Figure 30-2: Application Block Diagram
30.4.1 I/O Lines Description
Table 30-3: I/O Lines Description
Pin Name Pin Description Type
TWD Two-wire Serial Data Input/Output
TWCK Two-wire Serial Clock Input/Output
APB Bridge
PMC
MCK
Two-wire
Interface
PIO
AIC
TWI
Interrupt
TWCK
TWD
Host with
TWI
Interface
TWD
TWCK
Microchip 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