PD178046_15 Datasheet, PDF (14/42 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD178046, 178048
1.3 I/O Circuits of Respective Pins and Recommended Connection of Unused Pins
Table 1-1 shows the I/O circuit type of each pin and the recommended connection of unused pins.
For the configuration of each I/O circuit, refer to Figure 1-1.
Table 1-1. I/O Circuits of Respective Pins and Recommended Connection of Unused Pins
Pin Name
P00/INTP0-P03/INTP3
I/O Circuit Type
8
P10/ANI0-P13/ANI3
25
P20/SCL0, P21/SCL1
P22/SDA0, P23/SDA1
P40-P47
P50-P54
P60-P67
P70/SI3
P71/SO3
P72/SCK3
P73/TI21
P74/OSCMON
P75/TI5
P76/TO5
P77/TI9
P130/PWM00
-P133/PWM03
P134/PWM1
VSYNC
HSYNC
R
G
B
I
BLANK
RESET
OSC1
OSC2
IC
10-D
5
5-K
5
5-K
5
5-K
5
5-K
19
2
3
2
28
—
I/O
I/O
Input
I/O
Recommended Connection of Unused Pins
Set in general-purpose input port mode by software, and individually
connect to GND0, GND1, or GNDPORT via resistor.
Individually connect to VDD, VDDPORT, GND0, GND1, and GNDPORT
via resistor.
Set in general-purpose input port mode by software, and individually
connect to VDD, VDDPORT, GND0, GND1, or GNDPORT via resistor.
Output Set to low-level output by software and leave unconnected.
Input Individually connect to GND0 or GND1 via resistor.
Output Set OSD display to OFF by software and leave unconnected.
Input
Input
Output
—
—
Set LC oscillation to OFF by software and leave unconnected.
Leave unconnected.
Directly connect to GND0 or GND1.
12
Preliminary Product Information