CL-PS7110
Low-Power System-on-a-Chip
2.4 Pin Descriptions
Table 2-2. Numeric Pin Listinga
Pin
No.
Signal
Bufferb
1
CS[5]
I/O - strength 1
2
CS[6]
I/O - strength 1
3
CS[7]
I/O - strength 1
4
VDD
Pad power
5
VSS
Pad power
6
EXPCLK
I/O - strength 1
7
WORD
I/O - strength 1
8
WRITE
I/O - strength 1
9
RUN
I/O - strength 1
10
EXPRDY
I/O - strength 1
11
PC[7]
I/O - strength 1
12
PC[6]
I/O - strength 1
13
PC[5]
I/O - strength 1
14
PC[4]
I/O - strength 1
15
PC[3]
I/O - strength 1
16
PC[2]
I/O - strength 1
17
PC[1]
I/O - strength 1
18 PC[0]/OSCEN I/O - strength 1
19
VDD
Pad power
20
VSS
Pad power
21
VSS
Core power
22
PB[7]
I/O - strength 1
23
PB[6]
I/O - strength 1
24
PB[5]
I/O - strength 1
25
PB[4]
I/O - strength 1
26
PB[3]
I/O - strength 1
27
PB[2]
I/O - strength 1
Reset
and Pin
Test
Rest
State
Low
Low
Low
–
–
Low
Low
Low
Low
Input
Low
Low
Low
Low
Low
Low
Low
Low
–
–
–
Input
Input
Input
Input
Input
Input
May 1997
DATA BOOK v1.5
Table 2-2. Numeric Pin Listinga (cont.)
Pin
No.
Signal
Bufferb
Reset
and Pin
Test
Rest
State
28
PB[1]
I/O - strength 1
Input
29
PB[0]
I/O - strength 1
Input
30
PE[3]
I/O - strength 1
Input
31
PE[2]/NFIQ I/O - strength 1
Input
32
VDD
Pad power
–
33
VSS
Pad power
–
34
PA[7]
I/O - strength 1
Input
35
PA[6]
I/O - strength 1
Input
36
PA[5]
I/O - strength 1
Input
37
PA[4]
I/O - strength 1
Input
38
PA[3]
I/O - strength 1
Input
39
PA[2]
I/O - strength 1
Input
40
PA[1]
I/O - strength 1
Input
41
PA[0]
I/O - strength 1
Input
42
LEDDRV
I/O - strength 1
Low
43
TXD
I/O - strength 1
High
44
PHDIN
I/O - strength 1
Input
45
CTS
I/O - strength 1
Input
46
RXD
I/O - strength 1
Input
47
DCD
I/O - strength 1
Input
48
DSR
I/O - strength 1
Input
49
VSS
32K Oscillator
power
–
50
RTCOUT
32K Oscillator
X
51
RTCIN
32K Oscillator
X
52
VDD
32K Oscillator
power
–
53
NTEST[1]
–
Input
54
NTEST[0]
–
Input
35
PIN INFORMATION