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Pin No. Pin Name I/O Function
IC1401 CXD2712R (DIGITAL BOARD)
1
2 to 5
6, 7
8
9
10
11
12
13
14
15
16 to 20
21
22
23 to 25
26
27 to 30
31
32 to 40
41
42
43 to 49
50
51
52
53 to 60
61
62 to 69
70
71
72
73
74
75
76 to 80
81
82
83 to 89
90
–
O
I
NC
I
I
–
–
O
I
I
I/O
–
–
I/O
I
O
–
I/O
–
–
I/O
I
–
–
I/O
–
I/O
O
–
–
O
O
O
I/O
–
–
I/O
O
Ground
Serial data output
Conditional jump input terminal (7pin Connected to Ground)
No connection
HCIF data write
HCIF data read
Ground
+3.3V
HCIF ready signal Open drain
HCIF chip select
HCIF address input
HCIF data input/output
Ground
+3.3V
HCIF data input/output
Reset input “L”: active
Test data output
Ground
External RAM data input/output
Ground
+3.3V
External RAM data input/output
Test data input “L” = normal “H” = test (Connected to Ground)
Ground
+3.3V
External RAM data input/output
Ground
External RAM data input/output
External RAM output enable
Ground
+3.3V
External RAM column address strobe (Not used)
External RAM write enable (Not used)
External RAM raw address strobe
External RAM address output/test data input
Ground
+3.3V
External RAM address output/test data input
External RAM address output
VSS3
SOA to SOD
ECJ0, ECJ1
—
XHDWR
XHDRD
VSS4
VDD2
HRDY
XHDCS
HA0
HD0 to HD4
VSS5
VDD3
HD5 to HD7
XRST
FGP0 to FGP3
VSS6
ED0 to ED8
VSS7
VDD4
ED9 to ED15
TSTD
VSS8
VDD5
ED16 to ED23
VSS9
ED24 to ED31
XOE
VSS10
VDD6
CAS
XWE
RAS
EA0 to EA4
VSS11
VDD7
EA5 to EA11
EA12