SMS66
Preliminary Information
PIN DESCRIPTIONS (Cont.)
Pin
Number
42,37,
32,27,
22,17
43,38,
33,28,
23,18
45, 40,
35, 30,
25, 20,
15
46
47
48
Pin
Type
CAP
OUT
Pin Name
CAP
X
PUP
X
Pin Description
External capacitor input used to filter the VM
X
inputs to the 10-bit ADC, CAP
A
through CAP
F
. This provides an RC filter where R = 25kΩ.
Programmable active high/low open drain converter enable output, PUP
A
through PUP
F
No Connection
Power supply of the part
12V power supply input internally regulated to either 3.6V or 5.5V
External capacitor input used to filter the internal supply
NC
PWR
PWR
CAP
NC
VDD
12VIN
VDD_CAP
PACKAGE AND PIN CONFIGURATION
48 LEAD TQFP
VDD_CAP
CAPA
PUPB
38
12VIN
CAPB
37
36
35
34
33
32
31
30
29
28
27
26
25
13
14
15
16
17
18
19
20
21
22
23
24
PUPA
GND
VDD
VMA
GND
39
48
47
46
45
NC
44
43
42
41
SDA
SCL
A2
MR
PWR_ON/OFF
FS
FAULT
HEALTHY
RST
AIN1
AIN2
GND
1
2
3
4
5
6
7
8
9
10
11
12
40
NC
VMB
NC
GND
PUPC
CAPC
VMC
NC
GND
PUPD
CAPD
VMD
NC
VREF_ADC
VREF_OUT
VME
PUPF
CAPE
Summit Microelectronics, Inc
2070 1.0 7/16/03
PUPE
CAPF
GND
VMF
GND
NC
NC
5
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
