SN8P2977
8-Bit Micro-Controller with Regulator, PGIA, 24-bit ADC
SONiX TECHNOLOGY CO., LTD
Page 16
V1.7
1.7 PIN CIRCUIT DIAGRAMS
Port 0, Port 1 structure:
Port 2, Port 3 structure:
Pull-Up
Pin
Output
Latch
PnM, PnUR
Input Bus
PnM
Output Bus
PnSEG
LCD-SEG Function
Pull-Up
Pin
Output
Latch
PnM, PnUR
Input Bus
PnM
Output Bus