ch1786nh ETC-unknow, ch1786nh Datasheet - Page 17

• Manufacturer Part Number: ch1786nh
• Description: Ch1786 Family Ultra Small 2400bps Modems
• Manufacturer: ETC-unknow

Cermetek Microelectronics, Inc.
Figure 8.
2003 Cermetek Microelectronics, Inc.
PIN NO.
10
11
1
2
3
4
5
6
7
8
9
CH1786 Physical Dimensions.
FUNCTION
SLEEP
PACKAGE CONNECTION TABLE
RING
Table 12. CH1786 Pin Functions.
RXA
SPK
TXD
RXD
TXA
TIP
NC
NC
NC
Page 17
PIN NO.
12
13
14
15
16
17
18
19
20
21
22
CH1786 Family of Ultra Small 2400bps Modems
Document No. 607-0004 Revision L1 (06/03)
FUNCTION
DCD
GND
DTR
DSR
VCC
CTS
RST
V/D
NC
HS
RI