Datasheet

© 2005-2012 Microchip Technology Inc. DS22018F-page 3
MCP2021/2/1P/2P
MCP2021P/2P Block Diagram
Ratiometric
Reference
Internal Circuits
VREG
RXD
TXD
V
BB
VSS
~30
Wake-Up
Logic and
Power Control
RESET
Thermal
Protection
kΩ
(MCP2022P ONLY)
LBUS
Short-Circuit
Protection
OC
CS/LWAKE
FAULT/TXE
–
+
Voltage
Regulator
Short-Circuit
Protection
Thermal
Short-Circuit
Protection
and