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STC International Limited
http://www.mcu-memory.com
STC232E Datasheet Rev.0.1, Dec.2005
３
Page
of
6
Pin Configurations
Pin Descriptions
Typical Operating Characteristics
PIN
DIP/SO/SSOP
NAME
FUNCTION
1,3
C1+, C1-
Terminals for positive charge-pump capacitor
2
V+
+2VCC voltage generated by the charge pump
4,5
C2+, C2-
Terminals for negative charge-pump capacitor
6
V-
-2VCC voltage generated by the charge pump
7,14
T_OUT
RS-232 Driver Outputs
8,13
R_IN
RS-232 Receiver Inputs
9,12
R_OUT
RS-232 Receiver Outputs
10,11
T_IN
RS-232 Driver Inputs
15
GND
Ground
16
VCC
+4.5V to +5.5V Supply-Voltage Input
８．０
７．５
７．０
６．５
６．０
５．５
５．０
０
１０００
２０００
３０００
４０００
５０００
ＬＯＡＤ ＣＡＰＡＣＩＴＡＮＣＥ（ｐＦ）
ＴＲＡＮＳＭＩＴＴＥＲ ＯＵＴＰＵＴ ＶＯＬＴＡＧＥ
ｖｓ．ＬＯＡＤ ＣＡＰＡＣＩＴＡＮＣＥ
Ｖｃｃ＝５．５Ｖ
Ｖｃｃ＝５．０Ｖ
Ｖｃｃ＝４．５Ｖ
ＡＬＬ ＴＲＡＮＳＭＩＴＴＥＲＳ ＬＯＡＤＥＤ
ＤＡＴＡ ＲＡＴＥ＝１２０Ｋｂｐｓ
ＲＬ＝３ｋΩ
１４
１２
１０
８
６
４
２
０
１０００
２０００
３０００
４０００
５０００
ＬＯＡＤ ＣＡＰＡＣＩＴＡＮＣＥ（ｐＦ）
ＴＲＡＮＳＭＩＴＴＥＲ ＳＬＥＷ ＲＡＴＥ
ｖｓ．ＬＯＡＤ ＣＡＰＡＣＩＴＡＮＣＥ
＋ＳＬＥＷ ＲＡＴＥ
ＡＬＬ ＴＲＡＮＳＭＩＴＴＥＲＳ ＬＯＡＤＥＤ
ＤＡＴＡ ＲＡＴＥ＝１２０Ｋｂｐｓ
ＲＬ＝３ｋΩ
－ＳＬＥＷ ＲＡＴＥ
Ｃ１＋ １
１６ Ｖｃｃ
Ｖ＋ ２
１５ ＧＮＤ
Ｃ１－ ３
１４ Ｔ１ＯＵＴ
Ｃ２＋ ４
１３ Ｒ１ＩＮ
Ｃ２－ ５
１２ Ｒ１ＯＵＴ
Ｖ－ ６
１１ Ｔ１ＩＮ
Ｔ２ＯＵＴ ７
１０ Ｔ２ＩＮ
Ｒ２ＩＮ ８
９
Ｒ２ＯＵＴ
ＤＩＰ／ＳＯ
ＳＴＣ２３２Ｅ
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