M35080 Datasheet, PDF (3/28 Pages) STMicroelectronics – 8 Kbit Serial SPI Bus EEPROM With Incremental Registers

MITSUBISHI MICROCOMPUTERS
M35080FP
SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS
PIN DESCRIPTION
Symbol
Pin name
LP
VSS2
__
AC
__
CS
Test output
Earthing pin
Auto-clear input
Chip select input
Input/
Output
Output Test pin. Open this pin.
Function
– Connect to GND.
Input When “L”, this pin resets the internal IC circuit. Hysteresis input. Built-in pull-up resistor.
Input This is the pin for chip select input. Set “L” level at serial data transmission. Hysteresis input.
SCK
Serial clock input
__
Input At CS pin is “L” level, SDA pin serial data is taken in when SCL rises. Hysteresis input. Built-in
pull-up resistor.
SIN
Serial data input
Input This is the pin for serial input of display control register and display RAM data. Also, this pin
output acknowledge signal. Hysteresis input. Nch open-drain output.
TCK
External clock
Input This is the pin for external clock input.
VDD1
Power pin
– Digital power supply. Connect to +3V with the power pin.
P0/BLNK
P1/R2
P2/R1
P3/R0
HOR
Port P0 output
BLNK
Port P1 output
R2
Port P2 output
R1
Port P3 output
R0
Horizontal synchro-
nous signal input
Output
Output
Output
Output
Input
This is a general purpose port output at analog RGB output. Outputs port output or BLNK signal.
Outputs BLNK signal at digital RGB output.
This is the output port output at analog RGB output.
Outputs R2 signal at digital RGB output.
This is the output port output at analog RGB output.
Outputs R1 signal at digital RGB output.
This is the output port output at analog RGB output.
Outputs R0 signal at digital RGB output.
Input horizontal synchronous signal. (Hysteresis input.)
VERT
Vertical synchro-
nous signal input
Input Input vertical synchronous signal. (Hysteresis input.)
VSS1
Earthing pin
– Connect to GND.
BIN
Test pin
– Test pin. Connect to GND.
VG1/B0
Reference voltage
output 1
B0
VG2/B1
Reference voltage
output 1
B1
IREF/B2
Reference voltage
output 2
B2
BOUT/G0 Analog B signal output
G0
Output
Output
Output
Output
Use reference voltage output 1 of DAC for analog RGB output at analog RGB output. Connect
to capacitor.
Output B0 signal at digital RGB output.
Use reference voltage output 2 of DAC for analog RGB output at analog RGB output. Connect
to capacitor.
Output B1 signal at digital RGB output.
The pin connects resistors which convert voltage current at analog RGB output.
Output B2 signal at digital RGB output.
Output analog B signal at analog RGB output(Current output). Connect to load resistance.
Output G0 signal at digital RGB output.
GOUT/G1 Analog G signal output Output Output analog G signal at analog RGB output(Current output). Connect to load resistance.
G1
Output G1 signal at digital RGB output.
ROUT/G2 Analog R signal output Output Output analog R signal at analog RGB output(Current output). Connect to load resistance.
G2
Output G2 signal at digital RGB output.
VDD2
Power pin
– Digital power supply. Connect to +3V with the power pin.
NC
NC
– NC pin. Open.
2