MC33972A FREESCALE [Freescale Semiconductor, Inc], MC33972A Datasheet - Page 3

• Manufacturer Part Number: MC33972A
• Description: Multiple Switch Detection Interface with Suppressed Wake-Up
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

Analog Integrated Circuit Device Data
Freescale Semiconductor
SG10
SG11
SG12
SG13
SG0
SG1
SG2
SG3
SG4
SG5
SG6
SG7
SG8
SG9
SP0
SP1
SP2
SP3
SP4
SP5
SP6
SP7
16.0
16.0
16.0
16.0
16.0
16.0
mA
mA
mA
mA
mA
mA
V
V
V
V
PWR
PWR
PWR
PWR
V
V
V
V
PWR
PWR
PWR
PWR
2.0
mA
2.0
mA
2.0
mA
2.0
mA
2.0
mA
2.0
mA
4.0V
4.0V
4.0V
4.0V
Ref
Ref
Ref
Ref
Figure 2. 33972 Simplified Internal Block Diagram
Comparator
Comparator
Comparator
Comparator
–
–
INTERNAL BLOCK DIAGRAM
+
–
–
+
+
+
SG13
SP0
SP7
SG0
To
SPI
To
SPI
To
SPI
To
SPI
V
5.0V
5.0V
PWR
V
PWR
V
Clock Control
WAKE
SPI Interface
MUX Interface
PWR
Temperature
Monitor and
and Control
INT
Oscillator
Sleep PWR
Bandgap
Control
5.0 V
, V
and
POR
Control
Control
DD
, 5.0V
V
+
–
DD
V
DD
V
5.0V
5.0V
PWR
Analog Mux
Output
INTERNAL BLOCK DIAGRAM
40μA
5.0 V
V
DD
125kΩ
125kΩ
V
DD
VPWR
VDD
GND
AMUX
WAKE
INT
CS
SCLK
SI
SO
33972
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