Cpu (Ic801) Port Functions - Sanyo PLC-EF10EA Service Manual

CPU (IC801) Port Functions

Pin No. Function Name
1 PCTL
2 PS2 EN
3 SCL2
4 SDA2
5 POWER SW
6 VSS
7 CENT DET
8 ADDRESS1
9 ADDRESS2
10 ADDRESS3
11 ADDRESS4
12 VCC
13 ADDRESS5
14 VSS
15 ADDRESS6
16 ADDRESS7
17 ADDRESS8
18 ADDRESS9
19 ADDRESS10
20 ADDRESS11
21 ADDRESS12
22 ADDRESS13
23 ADDRESS14
24 ADDRESS15
25 ADDRESS16
26 VCC
27 ADDRESS17
28 VSS
29 SCL1
30 SDA1
31 RAS
32 CASL
33 SYS_SW
34 AFT-V
35 VSS
36 BF-V
37 ADDRESS18
38 ADDRESS19
39 ADDRESS20
40 VCC
41 ADDRESS21
42 VSS
43 READ
44 WDT
45 DATA31
46 DATA30
47 WRH
48 WRL
49 CS1
50 CS0
Function
Parallel I/F Control signal for LCD Driver
Enable for Progressive Scan2
IIC bus 2 Clock
IIC bus 2 Data
"L" : Power Off, "H": Power On
GND
Lens location detection (Center)
Address bus1
Address bus2
Address bus3
Address bus4
5V
Address bus5
GND
Address bus6
Address bus7
Address bus8
Address bus9
Address bus10
Address bus11
Address bus12
Address bus13
Address bus14
Address bus15
Address bus16
5V
Address bus17
GND
IIC bus 1 Clock
IIC bus 1 Data
RAS Signal for DRAM Access
CAS Signal (Lower 16bits) for SRAM Access
Power Switch for Peripheral ICs
V-Sync for panel drive
GND
V-Sync for Input Signal
Address bus18
Address bus19
Address bus20
5V
Address bus21
GND
READ Signal
Over flow output from Watch Dog Timer
Data bus31
Data bus30
WRITE Signal (Higher 16 bits)
WRITE Signal (Lower 16 bits)
Chip Select for BGA
Chip Select for Flash Memory
-46-
IN/OUT
OUT
OUT
IN/OUT
IN/OUT
IN/OUT
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN/OUT
IN/OUT
OUT
OUT
OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
IN/OUT
IN/OUT
OUT
OUT
OUT
OUT