
PRELIMINARY DATA BOOK v2.0
September 1997
12
PIN INFORMATION
CL-PS7111
Low-Power System-on-a-Chip
2.2.2
Numeric Pin Listing
Pin
No.
Signal
Buffer
Reset and
Pin Test
Reset State
Pin
No.
Signal
Buffer
Reset and
Pin Test
Reset State
1
NCS[5]
I/O - strength 1
Low
27
PA[3]
I/O - strength 1
Input
2
VDD
Pad power
–
28
PA[2]
I/O - strength 1
Input
3
VSS
Pad power
–
29
PA[1]
I/O - strength 1
Input
4
EXPCLK
I/O - strength 1
Low/Input
30
PA[0]
I/O - strength 1
Input
5
WORD
I/O - strength 1
Low
31
LEDDRV
I/O - strength 1
Low
6
WRITE
I/O - strength 1
Low
32
TXD[1]
I/O - strength 1
High
7
RUN/CLKEN
I/O - strength 1
Low
33
VSS
Pad power
–
8
EXPRDY
I/O - strength 1
Input
34
PHDIN
I/O - strength 1
Input
9
TXD[2]
I/O - strength 1
High
35
CTS
I/O - strength 1
Input
10
RXD[2]
I/O - strength 1
Input
36
RXD[1]
I/O - strength 1
Input
11
VSS
Core power
–
37
DCD
I/O - strength 1
Input
12
VSS
–
38
DSR
I/O - strength 1
Input
13
PB[7]
I/O - strength 1
Input
39
NTEST[1]
Input with p/u
High Input
14
PB[6]
I/O - strength 1
Input
40
NTEST[0]
Input with p/u
High Input
15
PB[5]
I/O - strength 1
Input
41
EINT[3]
I/O - strength 1
Input
16
PB[4]
I/O - strength 1
Input
42
NEINT[2]
I/O - strength 1
Input
17
PB[3]
I/O - strength 1
Input
43
NEINT[1]
I/O - strength 1
Input
18
PB[2]
I/O - strength 1
Input
44
NEXTFIQ
I/O - strength 1
Input
19
PB[1]/PRDY[2]
I/O - strength 1
Input
45
PE[2]/CLKSEL
I/O - strength 1
Input
20
PB[0]/PRDY[1]
I/O - strength 1
Input
46
PE[1] /
BOOTSEL[1]
I/O - strength 1
Input
21
VDD
Pad power
–
47
PE[0]/
BOOTSEL[0]
I/O - strength 1
Input
22
VSS
Pad power
–
48
VSS
32K oscillator
power
–
23
PA[7]
I/O - strength 1
Input
49
RTCOUT
32K oscillator
X
24
PA[6]
I/O - strength 1
Input
50
RTCIN
32K oscillator
X
25
PA[5]
I/O - strength 1
Input
51
VDD
32K oscillator
power
–
26
PA[4]
I/O - strength 1
Input
52
N/C
a
53
PD[7]
I/O - strength 1
Low
79
SMPCLK
I/O - strength 1
Low