资料介绍
XIC5043 Application Note AN21
X5043/X5045 System Supervisors Manage
8051 type Microcontrollers
by Applications Staff, May 2001
Both the X5043 and X5045 feature a power on reset for the X5043 open-drain (i.e. active LOW) reset output.
circuit, low voltage reset controller, programmable The 2N7000 N-MOSFET is used to invert the active
watchdog timer, and 4K bits of high speed, three-wire LOW reset, to directly control the 8031 RST pin. The
serial, nonvolatile EEPROM in a single 8-pin package. circuit shown in Fig. 2 has both a manual and X5045
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