SH79F166APSLASH044PR datasheet(63/113 Pages) SINOWEALTH

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SH79F166A

8.1.1 Registers

Table 8.1 LCD Control Register

ABH, Bank0

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

DISPCON

DISPSEL

LCDON

ELCC

DUTY

VOL3

VOL2

VOL1

VOL0

R/W

Reset Value

(POR/WDT/LVR/PIN)

Bit Number

Bit Mnemonic

Description

DISPSEL

LCD/LED control bit

0: select LCD driver

1: select LED drive

LCDON

LCD on/off control bit

0: Disable LCD driver

1: Enable LCD drive

ELCC

LCD contrast on/off control bit

0: disable contrast

1: enable contrast

DUTY

LCD duty selection bit

0: 1/4 duty, 1/3 bias

1: 1/8 duty, 1/4 bias

3-0

VOL[3:0]

LCD contrast control bits

0000: VLCD = 0.531 VDD

0001: VLCD = 0.563 VDD

0010: VLCD = 0.594 VDD

0011: VLCD = 0.625 VDD

0100: VLCD = 0.656 VDD

0101: VLCD = 0.688 VDD

0110: VLCD = 0.719 VDD

0111: VLCD =0.750 VDD

1000: VLCD = 0.781 VDD

1001: VLCD = 0.813 VDD

1010: VLCD = 0.844 VDD

1011: VLCD = 0.875 VDD

1100: VLCD = 0.906 VDD

1101: VLCD = 0.938 VDD

1111/1110: VLCD = 1.000 VDD

Note:

SH79F166A has LCD and LED driver, but can not work in the same time. When DISPSEL = 1, LCD is disable, DISPSEL = 0,

LED is disable.

SH79F166AP/044PR Datasheet(PDF) 63 Page - SINOWEALTH Electronic Ltd

SH79F166AP/044PR Datasheet(HTML) 63 Page - SINOWEALTH Electronic Ltd

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