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PC33814AE Datasheet(PDF) 5 Page - Freescale Semiconductor, Inc

Part # PC33814AE
Description  Two Cylinder Small Engine Control IC
PDF  50 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PC33814AE Datasheet(HTML) 5 Page - Freescale Semiconductor, Inc

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Analog Integrated Circuit Device Data
Freescale Semiconductor
5
33814
3
Pin Connections
3.1
Pinout Diagram
Figure 3. 33814 Pin Connections
3.2
Pin Definitions
Table 2. 33814 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 20.
Pin
Pin Name
Pin
Function
Formal Name
Description
1
O2HFB
Input
O2 Sensor Heater
Feedback Input
Voltage feedback from drain of O2 Sensor Heater driver FET
2
O2HOUT
Output
O2 Sensor Heater
Output
Pre-driver output for O2 Sensor Heater driven by SPI input or O2HIN pin
3
IGNSENSP
Input
Ignition Current
Sense Input Positive
Positive input to the ignition current sense differential amplifier
Used to measure current in IGBT emitter resistor for IGNOUT1 and
IGNOUT2, if used.
4
IGNSENSN
Input
Ignition Current
Sense Input Negative
Negative input to the ignition current sense differential amplifier
Used to measure current in IGBT emitter resistor for IGNOUT1 and
IGNOUT2, if used
5
O2HSENSN
Input
O2 Heater Current
Sense Input Negative
Negative input to the O2 heater current sense differential amplifier
Used to measure current in of O2 heater driver MOSFET source resistor, if
used.
O2HFB
O2HOUT
IGNSENSP
IGNSENSN
O2HSENSN
VRSP
VRSN
CSB
VPWR
SCLK
NC
TACHOUT
MRX
MTX
BATSW
INJIN1
IGNIN2
IGNIN1
O2HIN
RIN2
RIN1
O2HSENSP
VRSOUT
INJIN2
1
2
3
4
5
6
7
8
9
10
11
12
13 14 15 16 17 18 19 20 21 22 23 24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
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