Leadtek LR9101LP, Техническое описание

Страница: 10 / 14

© 2006 Leadtek Research Inc. All rights reserved. Page 9/12
Preliminary Confidential - Information is subject to change without prior notice.
LR9101LP Specifications Sheet Rev. 0.1
4.1.2. Pin Assignment
PIN Name Type Description
1 RF_Gnd RF RF Ground
2 RF_IN RF RF input
3 VSS PWR Ground
4 RESETN I System reset (active low); In normal operation this pad should
be left floating. Active pull-up is not recommended
5 VCC_IN PWR 3.2 ~ 5.0 VDC input
6 VSTBY PWR 1.65 ~ 5.0 VDC RTC backup battery supply
7 RXB I TTL level asynchronous input for UART B
8 TXB O TTL level asynchronous output for UART B
9 GND
2
Ground
10 TXA O TTL level asynchronous output for UART A
11 RXA I TTL level asynchronous input for UART A
12 GPIO1 I Reserved, general purpose IO
13 GPIO14 I Reserved, general purpose IO
14 TIMEMARK O 1 PPS time mark output
15 GPIO13 I Reserved, general purpose IO
16 GPIO15 I Reserved, general purpose IO
Note 2: There are two more shielding case ground pads, please refer the recommended
footprint.
L
L
e
e
a
a
d
d
t
t
e
e
k
k
P
P
r
r
e
e
l
l
i
i
m
m
i
i
n
n
a
a
r
r
y
y