67
Pin No.
Pin Name
I/O
Function
1
DREQ2/PB5/CS1L
O
Analog filter gain control
2
DACK2/PB6/CS1H
O
VES gain control “H” : VES
3
PB7/DW1
O
Rear CH boost “H” : rear boost
4
VCC3
–
Power supply
5
PA6/CLK
O
CPU clock out (25 MHz)
6
PA5/CS5
O
Not used
7
PA4/CS4
O
Chip select signal for ARP, SERVO DSP and HGA
8
EOP1/PA3/CS3
O
Chip select signal for SDRAM and AV DEC
9
PA2/CS2
O
Chip select signal for REG and AV DEC
10
PA1/CS1
O
Chip select signal for external SRAM
11
CS0
O
Chip select signal for external FLASH ROM
12
NMI
I
Not used (fixed at “H”)
13
HST
I
Not used (fixed at “H”)
14
RST
I
Reset signal input from IF CON
15
GND
–
Ground
16
MD0
I
Input of mode select 0 (fixed at “1”)
17
MD1
I
Input of mode select 1 (fixed at “0”)
18
MD2
I
Input of mode select 2 (fixed at “0”)
19
P80/RDY
I
Wait signal input
20
P81/BGRNT
I
Test terminal (fixed at “H”)
21
P82/BRQ
I
Test terminal (fixed at “L”)
22
RD
O
Read enable signal output
23
WR0
O
High byte write enable signal output (16 bit and 8 bit)
24
P85/WR1
O
Low byte write enable signal output (16 bit only)
25
P20/D16
I/O
Data bus D0 (16 bit)
26
P21/D17
I/O
Data bus D1 (16 bit)
27
P22/D18
I/O
Data bus D2 (16 bit)
28
P23/D19
I/O
Data bus D3 (16 bit)
29
P24/D20
I/O
Data bus D4 (16 bit)
30
P25/D21
I/O
Data bus D5 (16 bit)
31
P26/D22
I/O
Data bus D6 (16 bit)
32
P27/D23
I/O
Data bus D7 (16 bit)
33
D24
I/O
Data bus D8 (16 bit), D0 (8 bit)
34
D25
I/O
Data bus D9 (16 bit), D1 (8 bit)
35
D26
I/O
Data bus D10 (16 bit), D2 (8 bit)
36
D27
I/O
Data bus D11 (16 bit), D3 (8 bit)
37
D28
I/O
Data bus D12 (16 bit), D4 (8 bit)
38
D29
I/O
Data bus D13 (16 bit), D5 (8 bit)
39
D30
I/O
Data bus D14 (16 bit), D6 (8 bit)
40
GND
–
Ground
41
D31
I/O
Data bus D15 (16 bit), D7 (8 bit)
42
A00
–
Address bus A0
43
VCC5
O
Power supply
44
A01
O
Address bus A1
45
A02
O
Address bus A2
46
A03
O
Address bus A3
47
A04
O
Address bus A4
48
A05
O
Address bus A5
49
A06
O
Address bus A6
50
A07
O
Address bus A7
6-37. IC PIN FUNCTIONS
• IC202 DIGITAL SERVO & DIGITAL SIGNAL PROCESSOR (MB911101APFV-G-BND) (DVD Board)
