Sony MCE-K700 Service Manual page 40

Pin No. Pin Name
41 A18
42 A19
43 MPEG
44 MD0
45 MD1
φ
46
47 STBY
48 RESET
49 NM1
50 V
SS
51 EXTAL
52 XTAL
53 V
CC
54 AS
55 RD
56 WR
57 RESO
58 AV
SS
59 TEST0
60 TEST1
61 TEST2
62 SENS
63 DAC-SELECT
64 NPIN
65 CXD1853-SELECT
66 VREQ
67 VREF
68 AV
CC
69 CXD1913LTH
70 XHIRQ
71 SCOR
72 MREQ
73 DATA
74 AMUTE
75 LDON
76 XLT
77 SCLK
78 CLK
79 NP OUT
80 2545RST
I/O
O
Address bus output
O
I MPEG wait input
I Operation mode setting terminal (Connected to +5V)
I Operation mode setting terminal (Connected to ground)
O System clock output (Not used)
Shifts to the hardware standby mode when the standby terminal becomes "Low".
I
(Unable to use H level fixed) (Connected to +5V)
I Set into reset when the reset input pin becomes "Low".
I Requests mask disable interruption. (Unable to use H level fixed) (Connected to +5V)
– Ground
I Connected to the Crystal oscillator. The EXTAL pin is also able to input external clocks.
I Connected to the Crystal oscillator.
– Connect to the power supply (+5V)
When the address strobe pin is "Low", indicates that address outputs on the address bus are
O
valid.
O When the read pin is "Low", indicates that the external addresses space is in the read state.
When the read pin is "Low", indicates that the external addresses space is in the write state
O
and the data bus are valid.
O Reset output (Not used)
– A/D converter (pin62-69) ground
I Test 0 input
Test 1 input
I
I Test 2 input
I Internal state (SENSE) monitor input from BD boartd
I Audio D/A converter select mode setting terminal
I NTSC/PAL output mode setting terminal
I CXD1853 select mode setting terminal (H:CXD1853 used)
I Not used
I A/D converter (pin62-69) reference voltage input (connected to +5V)
– A/D converter (pin62-29) power supply (connected to +5V)
O Serial data latch pulse output to CXD1913 (Digital NTSC/PAL encoder)
I Interruption request input from MPEG decoder
I Subcode sync input from BD board
I Inputs command request from system controller
O Serial data output to BD board, CXD1913 and CXD8567
O Mute switching to BD board
O Laser diode ON/OFF output
O Latch output to BD board
O SENS serial data reading clock output to BD board
O Serial data clock output to BD board and CXD1913
O NTSC/PAL output select
O Digital signal processor (CXD2545Q system reset)
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Function