Description Of Pin Functions; Sda; Scl; S0 To S35, S36 To S39 - NEC Renesas mPD71312 User Manual

Lcd controller/driver dedicated to 78k0/kx2 and 78k0r/kx3
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2.2 Description of Pin Functions

2.2.1 SDA

This is a serial data I/O pin for serial interface (N-ch open-drain).

2.2.2 SCL

This is a serial clock input pin for serial interface (N-ch open-drain).

2.2.3 S0 to S35, S36 to S39

These pins are the segment signal output pins for the LCD controller/driver.
Note 64-pin product only.

2.2.4 COM0 to COM3

These pins are the common signal output pins for the LCD controller/driver.
2.2.5 LV
DD
This is the positive power supply pin for the LCD controller/driver.
2.2.6 LV
SS
This is the ground potential pin for the LCD controller/driver.
2.2.7 V
to V
LC0
LC2
These pins are the power supply voltage pins for driving the LCD.

2.2.8 CAPH, CAPL

These pins are the capacitor connection pins for driving the LCD.

2.2.9 RESET

This is the active-low system reset input pin.

2.2.10 LCLK

This is the system clock input pin.
The internal pull-down resistor is connected during low-level input to RESET pin.
2.2.11 IC
Internally connected. Connect directly to LV
CHAPTER 2 PIN FUNCTIONS
Note
.
SS
User's Manual U18438EJ2V0UD
13

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