EM62100AGH datasheet(14/60 Pages) EMC

14 / 60 page

EM62100

65 COM/132 SEG STN LCD Driver

8 •

•••

Product Specification (V1.1) 09.13.2005

(This specification is subject to change without further notice)

Pin Name

I/O

Function

No.ofPins

DUTY0

DUTY1

Select the maximum LCD driver duty

DUTY1 DUTY

LCD Driver Duty

1/33

1/49

1/55

1/65

D0, D1,

D2, D3,

D4, D5,

D6 (SCL),

D7 (SI)

I/O

8-bit bi-directional data bus connected to an 8-bit or 16-bit

standard MPU data bus. When the chip select is inactive, D0 to

D7 are set to high impedance.

When serial interface is selected (P/S = “L”), then D7 serves as

the serial data input terminal (SI) and D6 serves as the serial

clock input terminal (SCL). During this time, D0 to D5 are set to

high impedance.

Determines whether the data bits are data or instruction

(command).

D0 to D7

Display data

Instruction (Command)

RESB

When RESB is set to “L,” the settings are initialized.

CS1B

CS2

Chip select signal. When CS1B = “L” and CS2 = “H,” then the

chip select CS2 becomes active, and data/command I/O is

enabled.

RDB (E)

Enable clock signal input for the 68-series MPU, active high.

Active low input pin for the 80-series MPU RDB signal

WRB (RW)

Read/Write control signal with 68-series MPU

RW=”H”: Read, RW=”L”: Write

Active low input pin for the 80 series MPU WRB signal

M86

MPU interface switch terminal

M86 =”H”: 68-series MPU interface

M86 =”L”: 80-series MPU interface

Selects the Parallel or Serial data input interface

P/S = “H”: Parallel data input interface, P/S = “L”: Serial data input

interface

The following applies depending on the P/S status:

P/S

Data/Command

Data

Read/Write

Serial Clock

D0 to D7

RDB (E),

WRB (RW)

D7 (SI)

Write only

D6 (SCL)

P/S

When P/S = “L”, D0 to D5 are hi-Z. D0 to D5 can be “H” or “L”

RDB (E) and WRB (RW) are fixed to either “H” or “L”. With serial

data input, RAM display data reading is not supported.

CKS

Terminal to select whether enable or disable the display clock

internal oscillator circuit.

CKS = “H”: Internal oscillator circuit is enabled

CKS = “L”: Internal oscillator circuit is disabled

(requires an external input)

When CKS = “L”, input the display clock through the CK terminal.

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