Control Port Functions - Sanyo PLV-HD2000N Service Manual

■ Control Port Functions

● System Control & I/O Port Table (IC801, HD6417727)
Pin No. Name
1 Vcc-RTC
2 XTAL2
3 EXTAL2
4 Vss-RTC
5 MD1
6 MD2
7 NMI
8 IRQ0/IRL0/PTH[0]
9 IRQ1/IRL1/PTH[1]
10 IRQ2/IRL2/PTH[2]
11 IRQ3/IRL3/PTH[3]
12 IRQ4/PTH[4]
13 VEPWC
14 VCPWC
15 MD5
16 BREQ
17 BACK
18 VssQ
19 CKIO2
20 VccQ
21 - 28 D31/PTB[7] - D24/PTB[0]
29 VssQ
30 D23/PTA[7]
31 VccQ
32 - 34 D22/PTA[6] - D20/PTA[4]
35 Vss
36 D19/PTA[3]
37 Vcc
38 - 40 D18/PTA[2] - D16/PTA[0]
41 D15
42 VssQ
43 D14
44 VccQ
45 - 52 D13 - D6
53 VssQ
54 D5
55 VccQ
56 - 60 D4 - D0
61 A0
62 A1
63 A2
64 VssQ
65 A3
66 VccQ
67 - 74 A4 - A11
75 VssQ
76 A12
77 VccQ
78 - 85 A13 - A20
86 VssQ
87 A21
88 VccQ
89 A22
90 A23
91 Vss
92 A24
93 Vcc
94 A25
95 BS/PTK[4]
96 RD
97 WE0/DQMLL
98 WE1/DQMLU/WE
99 WE2/DQMUL/ICIORD/PTK[6]
100 VssQ
101 WE3/DQMUU/ICIOWR/PTK[7]
102 VccQ
Function Name Function
1.9V Vcc for RTC (1.9V)
GND Vss for RTC (0V)
MD1 Clock Mode Setting [Default:L]
MD2 Clock Mode Setting [Default:L]
NMI Non Maskable Interrupt
FPGA2_INTR FPGA2 Interrupt Signal
USB_INTR USB Interrupt Signal
VSYNC_INTR LCD Panel Driving V_Sync Interrupt Signal
FPGA1_INTR FPGA1 Interrupt Signal
R/C Remote Control Signal Input
MD5
GND Vss for I/O (0V)
3.3V Vcc for I/O (3.3V)
D31 - D24 Data Bus
GND Vss for I/O (0V)
D23 Data Bus
3.3V Vcc for I/O (3.3V)
D22 Data Bus
GND Vss (0V)
D19 Data Bus
1.9V Vcc (1.9V)
D18 Data Bus
D15 Data Bus
GND Vss for I/O (0V)
D14 Data Bus
3.3V Vcc for I/O (3.3V)
D13 Data Bus
GND Vss for I/O (0V)
D5 Data Bus
3.3V Vcc for I/O (3.3V)
D4 Data Bus
A0 Address Bus
A1 Address Bus
A2 Address Bus
GND Vss for I/O (0V)
A3 Address Bus
3.3V Vcc for I/O (3.3V)
A4 Address Bus
GND Vss for I/O (0V)
A12 Address Bus
3.3V Vcc for I/O (3.3V)
A13 Address Bus
GND Vss for I/O (0V)
A21 Address Bus
3.3V Vcc for I/O (3.3V)
A22 Address Bus
A23 Address Bus
GND Vss (0V)
A24 Address Bus
1.9V Vcc (1.9V)
A25 Address Bus
BS [for ICE] Bus Cycle Starting Signal
RD Read Strobe
WE0 D7-D0 Select Signal / DQM (SDRAM)
WE1 D15-D8 Select Signal / DQM (SDRAM)
WE2 D23-D16 Select Signal / DQM (SDRAM)
GND Vss for I/O (0V)
WE3 D31-D24 Select Signal / DQM (SDRAM)
3.3V Vcc for I/O (3.3V)
-98-
Polarity I/O
- -
(Open) -
(Vcc) -
- -
I
I
I
I
Active L I
Active L I
Active L I
Active L I
(Open) -
(Open) -
I
(Pull-up) -
(Open) -
- -
(Open) -
- -
- I/O
- -
- I/O
- -
- I/O
- -
- I/O
- -
- I/O
- I/O
- -
- I/O
- -
- I/O
- -
- I/O
- -
- I/O
- O
- O
- O
- -
- O
- -
- O
- -
- O
- -
- O
- -
- O
- -
- O
- O
- -
- O
- -
- O
O
O
O
O
O
- -
O
- -