Owner manual

CS4954 CS4955
DS278F6 43
Background Color Register
Address 0×08 BKG_COLOR Read/Write Default Value = 03h
GPIO Control Register
Address 0×09 GPIO__REG Read/Write Default Value = 00h
GPIO Data Register
Address 0×0A GPIO_REG Read/Write Default Value = 00h
Sync Register 0
Address 0×0D Sync_0 Read/Write Default Value = 90h
Bit Number
76543210
Bit Name
BG
Default
00000011
Bit Mnemonic Function
7:0 BG
Background color (7:5 = R, 4:2 = G, 1:0 = B) (default is 0000 0011 - blue)
Bit Number
76543210
Bit Name
GPR_CNTRL
Default
00000000
Bit Mnemonic Function
7:0 GPR CNTRL
Input(0)/output(1) control of GPIO registers (bit 0: PDAT(0), bit 7: PDAT(7))
Bit Number
76543210
Bit Name
GPIO REG
Default
00000000
Bit Mnemonic Function
7:0 GPIO REG
GPIO data register ( data is output on PDAT bus if appropriate bit in address 09 is
set to “1”, otherwise data is input/output through I²C)- This register is only accessible
in I²C mode.
Bit Number
76543210
Bit Name
PROG VS[4:0] PROG HS[10:8]
Default
10010000
Bit Mnemonic Function
7:3 PROG VS[4:0]
programmable vsync lines
2:0 PROG HS[10:8]
programmable hsync pixels (3 most significant bits)