PD17202AGF-011_15 Datasheet, PDF (15/30 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLER WITH LCD CONTROLLER/DRIVER AND KEY SCAN CIRCUIT FOR FPC (FRONT PANEL CONTROLLER)

µPD17202AGF-011
5. SERIAL DATA COMMUNICATION
The µPD17202AGF-011 inputs or outputs data from or to the main microcontroller through 3-wire serial
communication, using the CLOCK (pin 27), DATA (pin 43), and LOAD (pin 28) pins.
Figure 5-1 shows connection between the µPD17202AGF-011 and main microcontroller.
Figure 5-1. Connection between µPD17202AGF-011 and Main Microcontroller
µ PD17202AGF-011 ^{DATA 43}
CLOCK
27
LOAD
28
DATA
LOAD
Main microcontroller
CLOCK
13