M38C30M5MXXXFS 查看數據表（PDF） - Renesas Electronics

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M38C30M5MXXXFS

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Renesas Electronics 

APPLICATION

2.4 LCD controller

Control procedure: Figure 2.4.9 shows the control procedure of relevant registers to turn on all the LCD

display in Figure 2.4.4.

RESET

Initialization

CLT

CLD

SEI

SEG

LM

(address 003816)

(address 003916)

LCDRAM0 (address 004016)

LCDRAM1 (address 004116)

LCDRAM2 (address 004216)

LCDRAM3 (address 004316)

LCDRAM4 (address 004416)

LCDRAM5 (address 004516)

LCDRAM6 (address 004616)

LM (address 003916), bit 3

CLI

000011112

110000112

111111112

111111112

111111112

111111112

011111112

011111112

111111112

1

•All interrupts disabled

•Setting of segment output/port

•Setting of LCD mode register

•Setting of value to LCDRAM

(Set “1” to turn on bit and set “0” to turn off bit.)

•LCD turn on

•Interrupt enabled

When switching LCD turn on

(turn off) segment

LCDRAMX (address 004X16)

XXXXXXXX2

•Rewriting of bits corresponding to LCD turn on (turn off)

segments

Fig. 2.4.9 Control procedure

38C3 Group User’s Manual

2-57

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