72
HCD-DZ820KW
Pin No.
Pin Name
I/O
Description
48
MSW
I
Mute signal control output
49
CKSW
—
Not used
50
OCSW
—
Not used
51
EEWP
O
WF signal output to EEPROM (IC103)
52
DVDD18
—
Power supply (+1.8V from IC110)
53 to 59
HA 2 to 8
O
Address bus 2 to 8 output to FLASH ROM (IC102)
60, 61
HA18, 19
O
Address bus 18, 19 output to FLASH ROM (IC102)
62
DVSS
—
Ground terminal
63
APLLCAP
I
APLL external capacitance connection
64
APLLVSS
—
Ground terminal
65
APLLVDD3
—
Power supply (+3.3V from IC105)
66
XWR
O
WE signal output to FLASH ROM (IC102)
67 to 72
HA 16 to 11
O
Address bus 16 to 11 output to FLASH ROM (IC102)
73
DVDD3
—
Power supply (SW+3.3V)
74, 75
HIGHA 10, 9
O
Address bus 10, 9 output to FLASH ROM (IC102)
76
HA20
O
Address bus 20 output to FLASH ROM (IC102)
77
XROMCS
O
CE signal output to FLASH ROM (IC102)
78
HA1
O
Address bus 1 output to FLASH ROM (IC102)
79
XRD
O
OE signal output to FLASH ROM (IC102)
80
DVDD3
—
Power supply (SW+3.3V)
81 to 84
HD 0 to 3
I
Data bus 0 to 3 input from FLASH ROM (IC102)
85
DVSS
—
Ground terminal
86 to 88
HD 4 to 6
I
Data bus 4 to 6 input from FLASH ROM (IC102)
89
HA21
O
Address bus 21 output to FLASH ROM (IC102)
90
ALE
O
Address latch enable (not used)
91
HD7
I
Data bus 7 input from FLASH ROM (IC102)
92
HA17
O
Address bus 17 output to FLASH ROM (IC102)
93
HA0
O
Address bus 0 output to FLASH ROM (IC102)
94
DVSS
—
Ground terminal
95
UWR
I
System controller write strobe (not used)
96
URD
I
System controller read strobe (not used)
Power supply (+1.8V from IC110)
DVD SOD signal output to system controller (IC501)
DVD SCO signal output to system controller (IC501)
I
DVD XIFCS signal input from system controller (IC501)
I
VIFBUSY signal input from system controller (IC501)
SCL signal output to EEPROM (IC103)
SDA signal output to EEPROM (IC103)
RS232 RXD signal output (not used)
RS232 reset signal output
106
RXD
I
RD232 RXD clock
107
TXD
I
RD232 TXD data
108
DVDD3
—
Power supply (SW+3.3V)
109
ICE
I
ICE mode enable (not used)
110
XSYSRST
I
MTRST signal input from system controller (IC501)
111
IR
I
IR control signal input (not used)
112
XTXINT
I
External interrupt0 (not used)
113
DQMO
O
DQM0 signal output to SD-RAM (IC104)
114
XIFSSY
I
DQM signal input
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