SMH4044 Datasheet, PDF (4/20 Pages) Summit Microelectronics, Inc. – Compact PCI Hot-Swap Controller With IPMI Support

FUNCTIONAL BLOCK DIAGRAM
SMH4044
Preliminary
46 ^ISLEW
VSEL
3
BD_SEL1#
16
BD_SEL2#
15
PWR_EN
4
HST_3V_MON
35
–
2.65V
+
2.80V
2.95V
3.10V
VCC
42
–
+
4.625V
4.375V
CARD_3V_MON
33
+
±
–
CARD_5V_MON
40
+
±^–
MONITOR1
6
1.25V ±
MONITOR 2
30
1.25V ±
PCI_RST#
21
A0
7
A1
11
A2
12
SCL
27
SDA
26
CS#
32
+
–
+
–
I²C
INTERFACE
CHARGE
PUMP
SLEW
RATE
CONTROLLER
3.2s
1.6s
0.8s
Off
WATCHDOG
TIMER
RESET
CONTROLLER
CONTROL
LOGIC
CBI_3
36
±
25mV
50mV
75mV
125mV
CBI_5
44
±
25mV
50mV
75mV
125mV
VGATE3
34
VGATE5
41
DRVREN#
45
SGNL_VLD#
20
HEALTHY#
19
FAULT#
1
LOCAL_PCI_RST
29
LOCAL_PCI_RST#
8
25ms
50ms
100ms
200ms
4K E²
PROM
GND
18
CONTROL REGISTER
STATUS REGISTER
BANDGAP
1VREF
2
2057 BD
Programmable Functions
±
25ms
50ms
100ms
200ms
4
2057 1.x 8/16/01
SUMMIT MICROELECTRONICS, Inc.