Ic Pin Functions - Sony SDP-EP70 Service Manual

4-16. IC PIN FUNCTIONS

• IC201 System Controller (HD64F3337YFLH16MAIN1)
Pin Name
Pin No.
1 RESET
2 XTAL
3
EXTAL
4 MD1
5 MD0
6 NMI
7
STBY/FVPP
8 VCC
9 FL-CLK
10
FL-LAT
11 FL-DAT
12 GND
13 FL-CLR
14
(IN)
15 ROMCLK
16 ROMDAT
17 SIRCSI
18 DISPD0
19 DISPD1
20 DISPA2
21
DISPA1
22
DISPA0
23 VOLUM +
24 VOLUM –
25
VOLLED
26 M9MORQ
27
M9MOSS
28
M9MOSI
29 AVCC
30 AN0
31 AN1
32
AN2
33 AN3
34 AN4
35
AN5
36
AN6
37
AN7
38 AGND
39
M9MRES
40 M9MISO
I/O
I Reset input (Reset at "L")
O Crystal oscillation output (16 MHz)
I Crystal oscillation input (16 MHz)
I Normally connected to +5V
I Normally connected to +5V
I
Normally connected to +5V
Normally connected to +5V
I
+5V power supply
–
O
Clock output to FL driver
O Latch output to FL driver
O Data output to FL driver
– Ground
O Clear output to FL driver
–
Not used
Clock output to EEPROM
O
I/O
Data input/output with to EEPROM
I Remote control signal input
I Data input from selector
I Data input from selector
O Select signal output to selector
O
Select signal output to selector
Select signal output to selector
O
O
Volume motor control (+) output
O Volume motor control (–) output
O Volume LED output
I Data ready signal input from DSP56009
O Data request signal output to DSP56009
O
Data output to DSP56009
Analog system +5V power supply
–
I Master VR position detection input
I
LFE signal detection input
I Fixed at "L"
I Fixed at "L"
I Fixed at "L"
I Fixed at "L"
I Fixed at "L"
I Fixed at "L"
–
Analog system ground
O Reset output to DSP56009
Data input from DSP56009
I
– 55 –
Function