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Company Confidential Quatech, Inc.
14 100-8026-100G Airborne 802.11b/g Value Radio Databook Revision 1.0
Pin Signal Pin I/O Type Description
28 D10 5V tol, BiDir, 2mA, 50K Pull Down Host Data Bus, Bits 10
29 WE# 5V tol, CMOS, Input, 50K Pull Up Host Memory Attribute Space Write Enable
30 D11 5V tol, BiDir, 2mA, 50K Pull Down Host Data Bus, Bits 11
31 IORD# 5V tol, BiDir, 2mA, 50K Pull Up Host I/O Space Read Strobe
32 D12 5V tol, BiDir, 2mA, 50K Pull Down Host Data Bus, Bits 12
33 IOWR# 5V tol, BiDir, 2mA, 50K Pull Up Host Space I/O Write Strobe
34 D13 5V tol, BiDir, 2mA, 50K Pull Down Host Data Bus, Bits 13
35 CE1# 5V tol, BiDir, 2mA, 50K Pull Up Host Select, Low Byte
36 D14 5V tol, BiDir, 2mA, 50K Pull Down Host Data Bus, Bits 14
37 CE2# 5V tol, BiDir, 2mA, 50K Pull Up Host Select, High Byte
38 D15 5V tol, BiDir, 2mA, 50K Pull Down Host Data Bus, Bits 15
39 GND Ground Digital Ground
40 GND Ground Digital Ground
41 RESET 5V tol, CMOS, ST (Schmitt Trigger)
Input, 50K Pull Up
Hardware Reset
42 IREQ# 5V tol, BiDir, 2mA, 50K Pull Up Host interrupt Request (I/O Mode), also used as the
Module’s Ready (Memory Mode) output which is
asserted to indicate Module initialization is complete
43 REG# 5V tol, BiDir, 2mA, 50K Pull Up Host Attribute Space Select Memory mode: H for
common memory, L for attribute memory. The signal
must be low during I/O cycles when the I/O address is
on the bus.
44 WAIT# CMOS Output, 4mA, 10K Pull Up Host device must provide a 10K Pull Up
45 RF_LED# Input, 9mA LED cathode
46 IOIS16# Pull Low, Output 8 Bits or 16 Bits I/O Card selected
L: 16 bit or odd byte only operation
47 STSCHG# CMOS Output, 4mA 50K Pull Up Host Status Change
Shows the BVD1 (Battery Voltage Detect), BVD2, WP
(Write Protect), or Ready status changed.
48 CD1# Pull Low, Output Card Detect
49 GND Ground Digital Ground
50 INPACK# CMOS BiDir, 2mA, 50K Pull Up Host I/O Decode Confirmation. Asserted by the
Module when selected and responding to an I/O read
cycle. Used to control the HBA (Host Bus Adaptor) tri-
state buffer on/off).