User's Manual

Stollmann
E + V GmbH
BlueMod+B20
Hardware reference
Author: bg Date of Saving: 28.03.07 Ref: BlueMod+B20_HWreference_V101.doc Revision: 1.00 Page 18 of 18
4.2 Pin Description
4.2.1 General Pin Description
No Pin Name
Dir ac-
tive
BlueMod+B20 usage
1 NC
Not Connected
2 GND - -
Ground
3 PIO0/RXEN I/O H
PIO/Control output for external LNA
4 PIO1/TXEN I/O H
PIO/Control output for ext. PA (class1)
5 PIO2/USB_Pull_Up I/O H
PIO/USB pull up in self powered mode
6 PIO3/USB_Wake_Up I/O H
PIO/USB output, to wake up PC when in
USB mode
7 PIO4/USB_ON I/O H
PIO/USB input, VBUS detect in self pow-
ered mode
8 PIO5/USB_Detach I/O H
PIO/USB input, detaches from USB
9 PIO6/SCL I/O -
PIO/ I
2
C Serial Clock
10 PIO7/SDA I/O -
PIO/ I
2
C Serial data
11 PIO8/WP I/O -
PIO/ I
2
C Write Protect
12 PIO9 I/O -
PIO
13 PIO10 I/O -
PIO
14 PIO11 I/O -
PIO
15 USB_DN I/O -
USB Data-
16 USB_DP I/O -
USB Data+
17 PCM_CLK I/O -
PCM Bit clock
18 PCM_OUT O -
PCM Data Output
19 PCM_IN I -
PCM Data Input
20 PCM_SYNC I/O -
PCM Frame Sync
21 GND - -
Ground
22 VSUP - -
3.3V Supply Voltage
23 UART_RX I -
UART Asynchronous Receive Data
24 UART_RTS# O L
UART Request To Send
25 UART_TX O -
UART Asynchronous Transmit Data
26 UART_CTS# I L
UART Clear To Send
27 SPI_MOSI I -
Synchronous Peripheral Interface
Data Master Out – Slave In
28 SPI_CLK I -
Synchronous Peripheral Interface Clock
29 SPI_CS# I L
Synchronous Peripheral Interface Chip
Select
30 SPI_MISO O -
Synchronous Peripheral Interface
Data Master In- Slave Out
31 RESET# I L
Module Reset
32 AIO0 I/O -
Analogue Input/Output
33 AIO1 I/O -
Analogue Input/Output
34 GND - -
Ground
35 GND - -
Ground