User Manual

FN-LINK TECHNOLOGY LIMITED
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theninitializes all circuits, included the UART. In addition to wait the Tnon_rdy time, if the host supports
UART hardware flow control it can detect RTS signals and follow the formal UART flow control
handshake.
UART Interface Power On Timing Parameters
Symbol MIN Typical MAX Unit
T33ramp’
- - No Limit ms
Toff
250 500 1000 ms
T33ramp
0.1 0.5 2.5 ms
T12ramp
0.1 0.5 1.5 ms
TPOR
2 2 8 ms
Tnon_rdy
1 2 10 ms
4
. Pin Definition(Top View)
Pin Assignment
Pin# Name Description Remark
1 GND Ground
2 ANT1 Antenna 1
3 GND Ground
4 PCM_IN PCM data Input High level: 1.8V
5 PCM_OUT PCM data Output High level: 1.8V
6 PCM_CLK PCM Clock
7 PCM_SYNC PCM Synchronization control
8 GND Ground
9 BT_WAKE_HOST_DEV
10 HST_WAKE_BT Host wake up BT, active high