pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 47

• Manufacturer Part Number: pc87591l-n05
• Description: Lpc Mobile Embedded Controller
• Manufacturer: National Semiconductor Corporation

Revision 1.2
2.0 Signal/Pin Description and Configuration
2.2.15 Internal Pull-Up and Pull-Down Resistors
The signals listed in Table 3 can optionally support internal pull-up (PU) and/or pull-down (PD) resistors. See Section 7.3 on
page 339 for the values of each resistor type.
SCL4-1
SDA4-1
IOPA7-0
IOPB7-0
IOPC7-0
IOPD7-0
IOPE7,6,4
IOPF7-0
IOPQ2-0
KBSIN7-0
PSCLK4-1
PSDAT4-1
BADDR1-0
ENV1-0
TRIS
SHBM
1. Active only during V
Signal
55, 42, 169, 163
54, 41, 170, 164
43, 40-36, 33-32
165, 6-5, 164-162,
154-153
1,176-175, 172-168
55-54, 42-41, 31-29,
26
25-24, 2
119-114, 111-110
23, 22, 8
80-77, 74-71
118,116, 114,110
119,117, 115,111
127-126
125-124
128
131
CC
LQFP Pin(s)
Table 3. Internal Pull-Up and Pull-Down Resistors
Power-Up reset.
General-Purpose I/O (GPIO) Ports
Internal Keyboard Scan (KBC)
Strap Configuration
ACCESS.bus (ACB)
N5, N1, D4, A7
P4, M1, C3, B6
N2, M2, L1, N3, M4,
K1, L4, K2
D5, D1, C2, B6, A7,
C5, C8, B9
A1, A2, B3, B4, A5,
C3, D4
N5, P4, N1, M1, J1, L3,
K4, K3
J4, H2, B2
G15, E13, F12, G14,
H15, F13, G13, H13
J3, H3, E4
R10, P11, N12, M11,
N11, M10, P9, R8
E13, G14, F13, H13
G15, F12, H15, G13
E15, C13
D12, F15
D14
C14
PS/2 Interface
FBGA Ball(s)
47
(Continued)
Type
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PU
PD
PD
PD
PD
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
80
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
Programmable
Strap
Strap
Strap
Strap
1
1
1
1
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