M35071 Datasheet, PDF (3/40 Pages) Mitsubishi Electric Semiconductor – SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS

MITSUBISHI MICROCOMPUTERS
M35071-XXXSP/FP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
PIN DESCRIPTION
Pin
Number
Symbol
1 CPOUT
Pin name
Filter output
Input/
Output
Function
Output Filter output. Connect loop filter to this pin.
2 VSS2
__
3 AC
Earthing pin
Auto-clear input
– Connect to GND.
Input When “L”, this pin resets the internal IC circuit. Hysteresis input. Built-in pull-up resistor.
4 TEST
Test input
Input Test pin. Connect to +5V.
5 SCL
Clock input
Input SDA pin serial data is taken in when SCL rises. Hysteresis input.
6 SDA
Data I/O
I/O This is the pin for serial input of display control register and display RAM data. Also, this
pin output acknowledge signal. Hysteresis input. Nch opendrain output.
7 TCK
External clock
Input This is the pin for external clock input.
8 VDD1
9 P6
Power pin
Port P6 output
– Please connect to +5V with the power pin.
Output This is the output port.
10 P7
Port P7 output
Output This is the output port.
11 VSS1
Earthing pin
12 P0/BLNK0 Port P0 output
– Please connect to GND using circuit earthing pin.
Output This pin can be toggled between port pin output and BLNK0 signal output.
13 P1/R
Port P1 output
Output This pin can be toggled between port pin output and R signal output.
14 P2
Port P2 output
Output This is the output port.
15 P3/G
Port P3 output
Output This pin can be toggled between port pin output and G signal output.
16 P4
Port P4 output
Output This is the output port.
17 P5/B
Port P5 output
Output This pin can be toggled between port pin output and B signal output.
18 HOR
Horizontal synchro-
nous signal input
Input This pin inputs the horizontal synchronous signal. Hysteresis input.
19 VERT
Vertical synchro-
nous signal input
Input This pin inputs the vertical synchronous signal. Hysteresis input.
20 VDD2
Power pin
– Please connect to +5V with the power pin.
2