– 102 –
Pin No.
Pin Name
I/O
Function
1
VSS3
—
Ground
2
SOA
O
Serial data output
3
SOB
O
Serial data output
4
SOC
O
Serial data output
5
SOD
O
Serial data output
6
ECJ0
I
Junpe condition input terminal
7
ECJ1
I
Junpe condition input terminal
8
NC
—
Not used
9
XHDWR
I
HCIF Data write
10
XHDRD
I
HCIF Data read
11
VSS4
—
Ground
12
VDD2
—
Power supply (+3.3V)
13
HRDY
O
HCIF Ready signal
Open drain
14
XHDCS
I
HCIF Chip select
15
HA0
I
HCIF Address input
16
HD0
I/O
HCIF Address output
17
HD1
I/O
HCIF Address output
18
HD2
I/O
HCIF Address output
19
HD3
I/O
HCIF Address output
20
HD4
I/O
HCIF Address output
21
VSS5
—
Ground
22
VDD3
—
Power supply (+3.3V)
23
HD5
I/O
Data input/output
24
HD6
I/O
Data input/output
25
HD7
I/O
Data input/output
26
XRST
I
Reset input
“L” active
27
FGP0
O
Test data output
28
FGP1
O
Test data output
29
FGP2
O
Test data output
30
FGP3
O
Test data output
Ground
External RAM data input/output
External RAM data input/output
External RAM data input/output
External RAM data input/output
External RAM data input/output
External RAM data input/output
External RAM data input/output
External RAM data input/output
External RAM data input/output
41
VSS7
—
Ground
42
VDD4
—
Power supply (+3.3V)
43
ED9
I/O
Power supply (+3.3V)
44
ED10
I/O
Power supply (+3.3V)
45
ED11
I/O
Power supply (+3.3V)
46
ED12
I/O
Power supply (+3.3V)
47
ED13
I/O
Power supply (+3.3V)
48
ED14
I/O
Power supply (+3.3V)
49
ED15
I/O
Power supply (+3.3V)
4-32. IC PIN FUNCTIONS
• IC2005, 2009 CXD2712R (DIGITAL Board)
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
