鈥?/div>
20, 21
EN
C1+
V+
C1-
C2+
C2-
V-
T_OUT
R_IN
R_OUT
T_IN
GND
V
CC
SHDN
N.C.
MBAUD
R_OUTB
Receiver Enable. Active low.
Positive Terminal of Voltage-Doubler Charge-Pump
Capacitor
+5.5V Generated by the Charge Pump
Negative Terminal of Voltage-Doubler Charge-Pump
Capacitor
Positive Terminal of Inverting Charge-Pump
Capacitor
Negative Terminal of Inverting Charge-Pump
Capacitor
-5.5V Generated by the Charge Pump
RS-232 Transmitter Outputs
RS-232 Receiver Inputs
TTL/CMOS Receiver Outputs
TTL/CMOS Transmitter Inputs
Ground
+3.0V to +5.5V Supply Voltage
Shutdown Control. Active low.
No Connection
MegaBaud Control Input. Connect to GND for normal
operation; connect to V
CC
for 1Mbps transmission rates.
Noninverting Complementary Receiver Outputs.
Always active.
MAX3237
MAX3241
NAME
FUNCTION
6
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