User Manual

KwikBlue4-1
Bluetooth® Class 1 BC04 Module
Manual
June 21, 2005 Copyright © 2004-2005 Socket Communications, Inc. Page 8
Document#: CONFIDENTIAL Revision 0.1
Name No. I/O Description Pad Type Active State Usage T
y
pical External
Connection,
UART / PCM
UART_TXD 11 O
UART data output active
high
CMOS output
Hi:0
Lo:1
UART RxD
UART_CTS 12 I UART clear to send
active low
CMOS input
with weak
internal pull-
down
Hi: De-assert
Lo: Assert
UART RTS
UART_RTS 13 O UART request to send
active low
CMOS output,
tristatable with
internal pull-up
Hi: De-assert
Lo: Assert
UART CTS
USB_DP 14 I/O
USB data plus Bi-directional
USB
USB_DN 15 I/O
USB data minus Bi-directional
USB
PIO_10
16 I/O
Programmable
input/output line
Bi-directional
with
programmable
weak internal
pull-up/down
--- User
defined
Programmable IO
VCC 17 I Module main power 3.3V VCC
VCC DC power source
PIO_11
18 I/O
Programmable
input/output line
Bi-directional
with
programmable
weak internal
pull-up/down
--- User
defined
Programmable IO
GND 19 --- Ground VSS GND GROUND
GND 20 --- Ground VSS GND GROUND
SPI_CSB 21 I Chip select for
Synchronous Serial
Interface active low
CMOS input
with weak
internal pull-up
Hi: Power
Inactive
Lo: Power
Active
SPI Socket Only
SPI_MISO 22 O Serial Peripheral Interface
data output
CMOS output,
tristatable with
weak internal
pull- down
Hi: 1
Lo: 0
SPI Socket Only
SPI_CLK 23 I Serial Peripheral Interface
clock
CMOS input
with weak
internal pull-
down
Hi: Active
Lo: Inactive
SPI Socket Only
SPI_MOSI 24 I Serial Peripheral Interface
data input
CMOS input
with weak
internal pull-
down
Hi: 1
Lo: 0
SPI Socket Only
RESET# 25 I Reset if low CMOS input
with weak
internal
Hi: Active
(Reset)
Lo: Inactive
RESET# Host CPU port
PCM_OUT 26 O
Synchronous data output CMOS output,
tristatable with
internal weak
pull-down
Hi:1
Lo: 0
PCM PCM input