User Manual

KwikBlue4-1
Bluetooth® Class 1 BC04 Module
Manual
June 21, 2005 Copyright © 2004-2005 Socket Communications, Inc. Page 9
Document#: CONFIDENTIAL Revision 0.1
Name No. I/O Description Pad Type Active State Usage T
y
pical External
Connection,
UART / PCM
PCM_SYNC 27 I/O Synchronous data SYNC Bi-directional
with weak
internal pull-
down
Hi: Active
Lo: Inactive
PCM Frame Sync I/O
PCM_IN 28 I Synchronous data input CMOS input,
with internal
weak pull-
down
Hi:1
Lo: 0
PCM PCM output
PCM_CLK 29 I/O
Synchronous data clock Bi-directional
with weak
internal pull-
down
Hi: 1
Lo: 0
PCM PCM Clock I/O
GND 30 --- Ground VSS GND GROUND
GND 31 --- Ground VSS GND GROUND
PIO_7/
RAM_CSB
32 I/O
Programmable
input/output line
Bi-directional
with
programmable
weak internal
pull-up/down
--- User
defined
Programmable IO
PIO_6/
CLK_REQ
33 I/O
PIO line or clock request
output to enable external
clock for external clock
line
Bi-directional
with
programmable
weak internal
pull-up/down
--- User
defined
Programmable IO
PIO_5/
USB_DETACH
34 I/O
PIO line or chip detaches
from USB when this
input is high
Bi-directional
with
programmable
weak internal
pull-up/down
--- User
defined
Programmable IO
PIO_4/
USB_ON
35 I/O
PIO or USB on (input
senses when VBUS is
high, wakes BlueCore2-
External)
Bi-directional
with
programmable
weak internal
pull-up/down
--- User
defined
Programmable IO
PIO_9 36 I/O
Programmable
input/output line
Bi-directional
with weak
internal pull-
up/down
--- User
defined
Programmable IO
PIO_8 37 I/O
Programmable
input/output line
Bi-directional
with weak
internal pull-
up/down
--- User
defined
Programmable IO
GND 38 --- Ground VSS GND GROUND
GND 39 --- Ground VSS GND GROUND
EXT_ANT 40 --- Optional antenna output Bi-directional
with DC block
RF
output
Optional antenna
output