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參數資料
型號: 71M6532F-IGTR/F
廠商: TERIDIAN SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQFP100
封裝: LEAD FREE, LQFP-100
文件頁數: 59/120頁
文件大小: 2477K
代理商: 71M6532F-IGTR/F
FDS 6531/6532 005
Data Sheet 71M6531D/F-71M6532D/F
v1.3
2005-2010 TERIDIAN Semiconductor Corporation
43
1.5.8
Digital I/O – 71M6532D/F
The 71M6532D/F includes up to 43 pins of general-purpose digital I/O. These pins are compatible with 5 V
inputs (no current limiting resistors are needed). The Digital I/O pins can be categorized as follows:
Dedicated DIO pins (4 pins):
o
DIO3
o
DIO56 – DIO58 (3 pins)
DIO/LCD segment pins (a total of 37 pins):
o
DIO4/SEG24 – DIO27/SEG47 (24 pins)
o
DIO29/SEG49, DIO30/SEG50 (2 pins)
o
DIO40/SEG60 – DIO45/SEG65 (6 pins)
o
DIO47/SEG67 – DIO51/SEG71 (5 pins)
DIO pins combined with other functions (2 pins): DIO2/OPT_TX, DIO1/OPT_RX
On reset or power-up, all DIO pins are inputs until they are configured for the desired direction under
MPU control. The pin function can be configured by the I/O RAM bits LCD_BITMAPn. Setting
LCD_BITMAPn = 1 configures the pin for LCD, setting LCD_BITMAPn = 0 configures it for DIO. Once a
pin is configured as DIO, it can be configured independently as an input or output with the DIO_DIR bits
or the LCD_SEGn registers. Input and output data are written to or read from the pins using SFR registers
P0, P1, and P2. Table 42 to Table 44 shows the DIO pins with their configuration, direction control and
data registers.
Table 42: Data/Direction Registers and Internal Resources for DIO 1-15 (71M6532D/F)
DIO
PB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
LCD Segment
24
25
26
27
28
29
30
31
32
33
34
35
Pin number
92
87
3
17
60
61
62
63
67
68
69
70
100
44
29
30
Configuration (DIO
or LCD segment)
Always DIO
0
1
2
3
4
5
6
7
0
1
2
3
LCD_BITMAP[31:24]
LCD_BITMAP[39:32]
Data Register
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
DIO0 = P0 (SFR 0x80)
DIO1 = P1 (SFR 0x90)
Direction Register
0 = input,
1 = output
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
DIO_DIR0 (SFR 0xA2)
DIO_DIR1 (SFR 0x91)
Internal Resources
Configurable
Y
Table 43: Data/Direction Registers and Internal Resources for DIO 16-30 (71M6532D/F)
DIO
16
17
18
19
20
21
22
23
24
25
26
27
29
30
LCD Segment
36
37
18
39
40
41
42
43
44
45
46
47
49
50
Pin number
33
12
13
64
65
66
93
54
46
43
42
41
32
35
Configuration (DIO
or LCD segment)
4
5
6
7
0
1
2
3
1
2
LCD_BITMAP[39:32]
LCD_BITMAP[47:40]
LCD_BITMAP[55:48]
Data Register
0
1
2
3
4
5
6
7
0
1
2
3
5
6
DIO2 = P2 (SFR 0xA0)
DIO3 = P3 (SFR 0xB0)
Direction Register
0 = input,
1 = output
1
3
4
5
L
C
D_S
E
G49[
3]
L
C
D_S
E
G50[
3]
DIO_DIR2 (SFR 0xA1)
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