Integration Manual

Version 0.94 - 2006-09 13
2.2.3 J3 Connector
Table 4: Signals on J3
J3
Pin Nr
Pin Name Signal Name Signal
Level
Type Description
6 SPI-SS-n SPI-SS-n / SPI – CS0 CMOS I SPI: CS (Chip Select)
7 MOSI SPI - MOSI CMOS I SPI: MOSI (Master Output –
Slave Input)
8 VSS Ground Ground Power/
Signal
Power supply 0V-terminal and
signal return path
11 SPI-CLK SPI - CLK CMOS I SPI clock input
Max frequency for SPI is
66MHz
12 VSS Ground Ground Power/
Signal
Power supply 0V-terminal and
signal return path
13 MISO SPI - MISO CMOS O SPI: MISO (Master Input –
Slave Output)
14 SPI-ExInt SPI - ExInt CMOS O SPI: Interrupt
15 PRI CMOS I Bluetooth co-existence:
BT high priority traffic indicator
16 BT CMOS I Bluetooth co-existence:
BT arbitration signal
17 WL CMOS O Bluetooth co-existence:
WLAN arbitration signal
18 RXIND CMOS O Bluetooth co-existence:
WLAN receive indicator
19 RESET Hardware reset CMOS I Active low. Internal pull-up
56kΩ
1 – 5,
9, 10,
20
Reserved for future use, do not
connect.