akira LCT-20CH01ST, Service Manual

Page: 30 / 97

Model No.:LCT-20CH01ST.doc
Version:1.0 30
55 PWMO Pulse width modulation input
57 SCL IIC bus
（
clock
）
58 SDA IIC bus
（
data
）
60 GPIO0 GPIO1 selection signal
59 GPIO1 GPIO2 selection signal
62 WR# CPU write signal
63 RD# CPU read signal
61 CS CPU chip selection signal
（
low level effective
）
56 INTN Interrupt signal
（
low level effective
）
84 ALE Address latch signal
86 RESET Reset signal (high level effective)
85 V5SF SF Power （ +5V ）
4 DP_HS Line synchronization signal
5 DP_VS Field synchronization signal
23 DP_CLK Clock signal
6 DP_DE_FLD DE I/O terminal
64 ADDR0
┆ ┆
71 ADDR7
CPU address
（
R0~R7
）
signal
83 A_D0
┆ ┆
76 A_D7
CPU address/data passage
MISC port control signal
162 CVBS_OUT2 SCART2 interface CVBS signal output
163 CVBS_OUT1 SCART1 interface CVBS signal output
157 TEST MODE Test mode signal (grounding)
158 AIN_HS Line synchronization signal
159 AIN_VS Field synchronization signal
205 XTALI
204 XTALO
Crystal oscillator interface
SDRM
124 MA0
┆ ┆
121 MA3
118 MA4
┆ ┆
113 MA9
125 MA10
126 MA11
Memory address
（
A0~A11
）
156 DQM0
133 DQM1
109 DQM2
Memory read/write byte signal