SMD1108 Datasheet, PDF (2/29 Pages) Summit Microelectronics, Inc. – 8-Channel Auto-Monitor ADC In System Programmable Analog (ISPA) Device

FUNCTIONAL BLOCK DIAGRAM
V_CC
All Resistors
are 100kΩ
SMD1108
Preliminary
WD_EN# WLDI WDO# LDO# IRQ_RST# OC_IRQ# OV_IRQ#
3
48
2
1
7
12
13
DLYD_RST# 14
RST# 15
MR# 5
AUTOMON 9
LIM_IRQ# 11
SMB_ALERT 4
V_REFIN 29
V_REFOUT 20
RDY# 6
Programmable Combi-
natorial Logic
Hi Lo Hi Lo Hi Lo Hi Lo
00112233
23 HEALTHY#
16 UV_OVRD
Nonvolatile
Programmable
Combinatorial
Reset Logic
Reset Timer
Nonvolatile
Programmable
Watchdog
Timer
Logic
Programmable
Combinatorial
Interrupt
Logic
Nonvolatile
Status
Register
24 FAULT#
10 FAULT_IRQ#
10-Bit
ADC
Reference
50
mV
50
mV
50
50
mV
mV
Select
& Trim
Logic
AUXV_CC 42
GPO-0 28
GPO-1 27
GPO-2 26
GPO-3 25
A0 43
A1 44
A2 45
SDA 46
SCL 47
CE# 22
Memory
Array
Four
General
Purpose
Outputs
Programmable
Octal Analog
Switch
All Resistors
are 100kΩ
V_CC
33 32 31 30
CH0 CH1 CH2 CH3
Temperature
Sensor
19
AGND
21
Reserved
Power
Control &
Distribution
41 V_CC0/CH4
40 V_CC1/CH5
39 V_CC2/CH6
38 V_CC3/CH7
34 OC3
35 OC2
36 OC1
37 OC0
17
18
PGND DGND
8
GND
2052 BD 1.1
RECOMMENDED OPERATING CONDITIONS
Temperature –40ºC to 85ºC.
Voltage
2.7V to 5.5V
2
2052 2.0 10/05/01
SUMMIT MICROELECTRONICS, Inc.