Sony DPP-M55 Service Manual page 19

Pin Name
Al6
Al7
v c c
Al8
A19
46
A21
c s o x
49 UCAS
CS-ROM
51 LCAS
52
53 cs-CUTE
54 RAS
IRDA-CS
cs-SNTR
W R
TSTO
R D
62
63
64
SNTR-ACK
IR-DACX
IR-DREO
MAC-HSKI
AT-FD/HOS-B
v c c
CK-OUT
v s s
73 EXTL
74 XTL
75 v c c
v c c
78 WDT
RESET
0 Address bus (Open)
0 Address bus (Open)
Power supply (+5V)
0 Address bus (Open)
0 Address bus (Open)
0 Address bus (Open)
0 Area 0 chip select (Open)
Ground
0 Chip select for CUTE
0 Chip select for IRDA
0 Chip select for the logic
0 Writing
I Test mode input
I
I
0 Reading
I Ground
I
0 Acknowledge signal to external
0 DMA acknowledge signal
I DMA request signal input
I
I
MAC serialclockinnut
I
I
System clock (Open)
0
Ground
I Crystal oscillation input (14.3 MHz)
0 Crystal oscillation output (14.3 MHz)
Power supply (+5V)
I External initialization signal input ("L" : Initialization)
Power supply (+5V)
I I
0 Watchdogtimeroverflow
I Reset
I I Mode settine
F u n c t i o n
I
I
I
I
I
I
I
I
I
I
I
I
I