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PC87591L bảng dữ liệu(PDF) 52 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
tên linh kiện PC87591L
Giải thích chi tiết về linh kiện  LPC Mobile Embedded Controllers
PDF  437 Pages
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nhà sản xuất  NSC [National Semiconductor (TI)]
Trang chủ  http://www.national.com
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PC87591L bảng dữ liệu(HTML) 52 Page - National Semiconductor (TI)

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2.0 Signal/Pin Description and Configuration (Continued)
www.national.com
52
Revision 1.07
2.2.15 Internal Pull-Up and Pull-Down Resistors
The signals listed in Table 5 can optionally support internal pull-up (PU) and/or pull-down (PD) resistors. See Section 7.3 on
page 377 for the values of each resistor type.
Table 5. Internal Pull-Up and Pull-Down Resistors
Signal
128-Pin
LQFP
176-Pin
LQFP
Type
Comments
ACCESS.bus (ACB)
SCL2-1
125,
121
169,
163
PU80
Programmable
SDA2-1
126,
122
170,
164
PU80
Programmable
General-Purpose I/O (GPIO) Ports
IOPA7-0
33-26
43, 40-36,
33-32
PU80
Programmable
IOPB7-0
123, 6-5,
122,121,120,
114-113
165, 6-5,
164-163,
120,114-113
PU80
Programmable
IOPC7-0
3-1,128-125 3,176-175,
172-169
PU80
Programmable
IOPD7-4
N/A
55-54, 42-
41
PU80
Programmable
IOPD3-0
25-21
31-30, 29,
26
IOPE7,6,4
21-20, 4
25-24, 2
PU80
Programmable
IOPF7-0
89-82
119-114,
111-110
PU80
Programmable
Internal Keyboard Scan (KBC)
KBSIN7-0
60-53
80-77, 74-
71
PU80
Programmable
PS/2 Interface
PSCLK4-1
88, 86,
84, 82
118,116,
114,110
PU80
Programmable
PSDAT4-1
89, 87,
85, 83
119,117,
115,111
PU80
Programmable
Strap Configuration
BADDR1-0
95-94
127-126
PD80
Strap1
1. Active only during VCC Power-Up reset.
ENV1-0
93-92
125-124
PD80
Strap1
TRIS
96
128
PD80
Strap1
SHBM
97
131
PD80
Strap1



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