Ic424 Digital Signal Processor (Dsp56009) - Sony SDP-EP9ES Service Manual

• IC424 Digital Signal Processor (DSP56009)

Pin No. Pin Name
AGND
1
MCS0
2
MCS3
3
MA14
4
MA13
5
AVCC
6
7 MA12
AGND
8
9 QVCC
QGND
10
11 MA11
MA10
12
13 MA9
MA8
14
15 AGND
MA7
16
17 AVCC
MA6
18
MA5
19
MA4
20
AGND
21
MA3
22
MA2
23
MA1
24
MA0
25
SCK
26
27 EXTAL
QVCC
28
29 QGND
PINIT
30
31 PGND
PCAP
32
33 PVCC
SGND
34
35 MISO
RESET
36
37 MODA
MODB
38
39 MODC
SVCC
40
I/O
– Address buffer ground
O Chip select 0 output to S-RAM (Not used)
O Chip select 3 output to S-RAM (Not used)
O
Address data output to S-RAM (Not used)
O
– Address bus buffer power supply (+5V)
O Address data output to S-RAM(Not used)
– Ground for address bus buffer
– Power supply for internal logic (+5V)
– Ground for internal logic
O
O
Address data output to S-RAM (Not used)
O
O
Ground for address bus buffer
–
Address data output to S-RAM (Not used)
O
Power supply for address bus buffer (+5V)
–
O
Address data output to S-RAM (Not used)
O
O
Ground for address bus buffer
–
O
O
Address data output to S-RAM (Not used)
O
O
SPI serial clock signal input from system controller
I
External frequency input (3 MHz)
I
Power supply for internal logic (+5V)
–
Ground for internal logic
–
PLL initialize input (Fixed at "L")
I
Ground for PLL
–
PLL filter input (Connected to 0.01 µF capacitor)
I
Power supply for PLL (+5V)
–
Ground for serial port
–
Master data signal input from system controller
I
Reset signal input from system controller
I
Mode select A (Fixed at "H")
I
Mode select B (Fixed at "L")
I
Mode select C (Fixed at "H")
I
Power supply for serial port (+5V)
–
— 57 —
Function
Function