SMD1108 Datasheet, PDF (20/29 Pages) Summit Microelectronics, Inc. – 8-Channel Auto-Monitor ADC In System Programmable Analog (ISPA) Device

SMD1108
Preliminary
Register 8F controls the function of the HEALTHY# and
FAULT# outputs and the conditions that can drive them.
All latched HEALTHY# or FAULT# conditions are cleared
by IRQ_RST#
7
6
Healthy#
& Fault#
UV_OVRD#
x
x
0
1
0
x
1
x
5
4
3
2
1
0 Bits
Fault# Fault# Fault# Healthy# Healthy# Healthy#
Reset Latch State Reset
Latch
State
Function
0 HEALTHY# output active low
x
1 HEALTHY# outputactive high
x
0
x
Do not latch HEALTHY#
x
1
x
Latch HEALTHY#
x
0
x
x
HEALTHY# unaffected by reset
x
1
x
x
HEALTHY# goes false on reset
0
x
x
x
FAULT# output active low
1
x
x
x
FAULT# output active high
0
x
x
x
x
Do not latch FAULT#
1
x
x
x
x
Latch FAULT#
0
x
x
x
x
x
FAULT# unaffected by reset
1
x
x
x
x
x
FAULT# goes true on reset
x
x
x
x
x
x
UV_OVRD# will override
FAULT# conditions
x
x
x
x
x
x
HEALTHY# & FAULT# ignore
UV_OVRD#
x
x
x
x
x
x
Enabled channels affect
HEALTHY# & FAULT#
x
x
x
x
x
x
Disabled channels affect
HEALTHY# & FAULT#
2052 Table21
Table 21. Register 8F HEALTHY# and FAULT# Output Control
20
2052 2.0 10/05/01
SUMMIT MICROELECTRONICS, Inc.