Справочник Пользователя для RoyalTek ret-3570lp
RoyalTek Confidential
2
RET-3570LP User Manual
1.3 Product Pictures and Interface board
(1) RET-3570LP
(2) RET-3570LP Interface board
The interface board pin definition
J2 CONNECTOR
Pin # Signal Name I/O Description
Characteristics
1 N.C
2 N.C
3 Battery I Backup voltage supply
10uA
Current
3.6V
~
2.5
DC
≤
+
+
4
VCC
I
DC Supply Voltage input DC +3.3V
±10%
5
Reset
I
Reset (Active low)
8
.
0
;
2.3V
V
IH
V
V
IL
<
>
6-10 N.C
11 TXA
O Serial
port
A
V
V
V
V
V
OL
OH
715
.
0
85
.
2
375
.
2
≤
≤
≤
CMOS
TTL level
12 RXA
I Serial
port
A
V
V
V
V
V
IL
IH
855
.
0
0.3V
-
15
.
3
995
.
1
≤
≤
≤
≤
CMOS TTL Level
13 N.C
14
TXB
O
Serial port B
V
V
V
V
V
OL
OH
715
.
0
85
.
2
375
.
2
≤
≤
≤
CMOS TTL level
Pin 1