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DR- R504X
(
No.
Pin Name
1/0
Function
46 SYRE
I
Read strobe input to system control.
47 SYWE
I
Write strobe input to system
control.
48 SYCS
I
Chip select input to system control.
49 IRQ
0
Interrupt requirement to system control.
50
RES
I
System control reset input.
51
vcc
-
Power supply voltage.
52 CLKIN
I
22.5792MHz.
53 SYSCLKO
0
System clock output.
Clock is changed by speed, then output the system clock
(22.5792MHz,
11.2896MHz, 5.6448MHz).
54 TES TD
I
Test
pin.
Connect to GND at actual use.
55 TES TC
0
56 TES
TB
0
Test pin. Open at actual
use.
57 TESTA
0
58 WSYNC
0
Word
sync.
signal output.
59
ESYNC
0
ENC sync signal output.
60
DSYNC
0
Detecting sync.
signal
output.
.
61
GND
-
Ground.
62 BSYNC
0
Block
sync.
signal output.
63 C2PO
I
CIRC C2 pointer signal.
64 SDO
0
Serial data
output.
65 SDI
I
Serial data input.
(
66 SREQ
I
Serial data requirement signal.
67
BTCK
I
Bit
clock
input.
68
LRCK
I
LEFT/RIGHT clock
input.
69
16B
I
16 bit display
signal
output.
70
DTACK
0
Data acknowledge.
71
INT
0
Interrupt
requirement
signal.
72
HWR
I
Write
enanble.
73
HRD
I
Read
enanble.
(
74
EOP
0
End of
process.
75 DACK
I
OMA
acknowledge.
76
DREQ
0
OMA request.
77
HA2
I
78
HA1
I
Host MPU address input.
79
HAO
I
80
vcc
-
Power supply
voltage.
81
HCS
I
Perform the host MPU chip select input.
82
MODE
I
Switch
the
80
-
system
and 68
-
system.
83
PARITY
1/0 Generate
or
check when transferring
the
ODD parity data.
84
HD15
1/0
85
HD14
1 /0
86
HD13
1 /0
87
HD12
1
/0
Host MPU
data bus.
(
88 HD11
1/0
-
89
HD10
1/0
90
HD9
1/0
57
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