R-V251
6
CIRCUIT DESCRIPTION
Pin No.
Name
I/O
Description
41
AVD2
-
R-ch AD converter power supply.
42
ROUT
O
R-ch DA converter output.
43
AVD4
-
R-ch DA converter power supply.
44
AVS4
-
R-ch DA converter GND.
45
VSS3
-
Digital GND.
46
SCK
I
Shift clock input for microcomputer interface.
47
REDY
O
Transfer enabling signal output for microcomputer interface.
Transfer prohibited when Low.
48
T.P
O
Unused.
49
XLAT
I
Latch input for microcomputer interface.
50
RVDT
I
Data input for microcomputer interface.
51
XS24
I
Serial data 24-/32bit slot selection.
24-bit slot when Low.(valid for slave mode)
52
VDD1
-
Digital power supply.
53
VSS4
-
Digital GND.
54
T.P
O
Unused.
55
SI
I
GND.
56
T.P
I
GND.
57
BCK
I/O
Unused.
58
LRCK
I/O
Unused.
59
VSS5
-
Digital GND.
60
XMST
I
Digital GND.
61~63
T.P
O
Unused.
64
VSS6
-
Digital GND.
65~72
T.P
O
Unused.
73
VDD2
-
Digital power supply.
74
VSS7
-
Digital GND.
75~80
T.P
O
Unused.