IA186EB/IA188EB
Data Sheet
8-Bit/16-Bit Microcontrollers
July 10, 2011
Table 8. IA188EB Pin/Signal Descriptions (Continued)
Pin
Signal
p1.0
p1.1
p1.2
p1.3
p1.4
p1.5
p1.6
p1.7
p2.0
Name
PLCC
28
27
26
25
24
21
20
19
LQFP
16
15
14
13
12
9
8
7
44
PQFP
59
58
57
56
55
52
51
50
7
Description
p1.0/gcs0_n
p1.1/gcs1_n
p1.2/gcs2_n
p1.3/gcs3_n
p1.4/gcs4_n
p1.5/gcs5_n
p1.6/gcs6_n
p1.7/gcs7_n
p2.0/rxd1
port 1, Bit [N] (N = 0–7). Output. Each pin of
Port 1, p1.0–p1.7, can function individually as a
general-purpose output line.
57
port 2, Bit [0]. Input/Output. This pin functions
as a general-purpose I/O line.
p2.1
p2.2
p2.3
p2.4
p2.5
p2.6
p2.1/txd1
p2.2/bclk1
p2.3/sint1
p2.4/cts1_n
p2.5/bclk0
p2.6
58
59
55
56
54
50
45
46
42
43
41
37
8
9
port 2, Bit [1]. Output. This pin functions as a
general-purpose output line.
port 2, Bit [2]. Input. This pin functions as a
general-purpose input line.
port 2, Bit [3]. Output. This pin functions as a
general-purpose output line.
port 2, Bit [4]. Input. This pin functions as a
general-purpose input line.
port 2, Bit [5]. Input. This pin functions as a
general-purpose input line.
port 2, Bit [6]. Input/Output (open drain). This
pin functions as a general-purpose bidirectional
input/output line.
5
6
4
80
p2.7
p2.7
49
36
79
port 2, Bit [7]. Input/Output (open drain). This
pin functions as a general-purpose bidirectional
input/output line.
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