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HFA3841 Datasheet(PDF) 3 Page - Intersil Corporation

Part No. HFA3841
Description  Wireless LAN Medium Access Controller
Download  27 Pages
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Maker  INTERSIL [Intersil Corporation]
Homepage  http://www.intersil.com/cda/home
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HFA3841 Datasheet(HTML) 3 Page - Intersil Corporation

 
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HFA3841 Pin Descriptions
Host Interface Pins
PIN NAME
PIN NUMBER
PIN I/O TYPE
DESCRIPTION
HA0-9
106-113, 117, 118 5V tol, CMOS, Input, 50K Pull Down
PC Card address input, bits 0 to 9
HCE1-
1
5V tol, CMOS, Input, 50K Pull Up
PC Card card select, low byte
HCE2-
122
5V tol, CMOS, Input, 50K Pull Up
PC Card card select, high byte
HD0-15
101-99, 6-2,
96-94, 128-125,
123
5V tol, BiDir, 2mA, 50K Pull Down
PC Card data bus, bit 0 to 15
HINPACK-
103
CMOS Output, 2mA
PC Card I/O decode confirmation
HIORD-
120
5V tol, CMOS, Input, 50K Pull Up
PC Card I/O space read
HIOWR-
119
5V tol, CMOS, Input, 50K Pull Up
PC Card I/O space write
HRDY/HIREQ-
114
CMOS Output, 4mA
PC Card interrupt request (I/O mode) Card ready
(memory mode)
HOE-
121
5V tol, CMOS, Input, 50K Pull Up
PC Card memory attribute space output enable
HREG-
102
5V tol, CMOS, Input, 50K Pull Up
PC Card attribute space select
HRESET
16
5V tol, CMOS, ST Input, 50K Pull Up Hardware Re-
set
HSTSCHG-
36
CMOS Output, 4mA
PC Card status change
HWAIT-
104
CMOS Output, 4mA
PC Card not ready (force host wait state)
HWE-
116
5V tol, CMOS Input, 50K Pull Up
PC Card memory attribute space write enable
Memory Interface Pins
PIN NAME
PIN NUMBER
PIN I/O TYPE
DESCRIPTION
MA0 MWEH-
72
CMOS TS Output, 2mA
MBUS address bit 0 (byte) for x8 memory High byte
write enable for x16 memory
MA1-18
73-81, 84-92
CMOS TS Output, 2mA
MBUS address bits 1 to 18
PL4
43
CMOS BiDir, 2mA
MBUS address bit 19
PL5
12
CMOS BiDir, 2mA, 50K Pull Up
MBUS address bit 20
PL6
11
CMOS BiDir, 2mA
MBUS address bit 21
MOE-
70
CMOS TS Output, 2mA
Memory output enable
MWEL-
71
CMOS TS Output, 2mA
Low (or only) byte memory write enable
RAMCS-
69
CMOS TS Output, 2mA
RAM select
NVCS-
68
CMOS TS Output, 2mA
NV memory select
MD0-7
61-54
5V tol, CMOS, BiDir, 2mA, 100K Pull Up
MBUS low data byte, bits 0 to 7
MD8-15
51-44
5V tol, CMOS, BiDir, 2mA 50K Pull Down
MBUS high data byte, bits 8 to 15
Preliminary - HFA3841


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