SMS2902/SMS2904/SMS2916
V
= 3.0V or 5.0V
PB_RST#
CC
ALE
SMS29xx
8051 Type
MCU
RST
SCL (P0.0)
SDA (P0.1)
WDI#
V
CC
RESET#
NC
RESET
SCL
GND
SDA
2
I C Peripheral
RESET#
SCL
SDA
2028 T fig12 2.0
TYPICAL APPLICATION USING DUAL RESET FUNCTION AND WATCHDOG TIMER
5.0VDC
PB_RST#
SMS29xx
Z80
WDI#
RESET#
NC
V
CC
RESET
SCL
I/O
I/O
GND
SDA
DECODER
RST#
2028 T fig13 2.0
TYPICAL APPLICATION CONFIGURATION USING SYSTEM DECODE LOGIC TO RESET WDI
5.0VDC
V
CC
1232
PBRST#
V
CC
ALE
RST
ST#
RST#
RST
ALE
TOL
GND
8051
SMS29xx
8051
Family
RST Part
I/O
I/O
WDI#
V
CC
Family
Part
24C16
RESET#
NC
RESET
SCL
I/O
I/O
GND
SDA
SCL
SDA
GND
2028 T fig14 2.0
From This
To This
2028 5.1 8/2/00
12
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
