Renesas PCA4738F-80A Manual do Utilizador descarregar pdf (Página 29)

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS

38C3 Group

Fig. 28 Block diagram of LCD controller/driver

Data bus

Timing controller

LCD

divider

f(X

CIN

)/32

f(X

)/8192

(f(X

CIN

)/8192 in low-speed mode)

Common

driver

Bias control

COM

/SEG

Address 0040

Address 0041

“1”

“0”

LCDCK

LCDCK count source

selection bit

LCD circuit

divider division

ratio selection bits

Bias control bit

LCD enable bit

Duty ratio selection bits

Selector Selector Selector Selector

Selector

LCD display RAM

Address 004F

/SEG

Segment

driver

Segment

driver

Segment

driver

Segment

driver

Segment

driver

Segment

driver

Common

driver

Common

driver

Common

driver

1 2 ... 24 25 26 27 28 29 30 31 32 33 34 ... 63 64

Renesas Technology Corp 1
Customer Support Dept 1
April 1, 2003 1
To all our customers 1
38C3 Group 10
RDY output selection bit 25
16 contents 37
1.0 First Edition 980602 63
Revision Description 63
Rev. Rev 63
No. date 63

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