33976 Просмотр технического описания (PDF) - Freescale Semiconductor
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33976 Datasheet PDF : 41 Pages
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PIN CONNECTIONS
PIN CONNECTIONS
COS0+
1
COS0-
2
SIN0+
3
SIN0-
4
GND
5
GND
6
GND
7
GND
8
CS
9
SCLK
10
SO
11
SI
12
24 COS1+
23 COS1-
22 SIN1+
21 SIN1-
20 GND
19 GND
18 GND
17 GND
16 VPWR
15 RST
14 VDD
13 RTZ
Figure 3. 33976 Pin Connections
Table 1. 33976 Pin Definitions
Pin
Number
Pin
Name
Pin
Function
1
2
3
4
5 – 8,
17– 20
9
(MS Motor Pin #)
COS0+ (MS #4)
COS0− (MS #3)
SIN0+(MS #1)
SIN0− (MS #2)
GND
Output
Ground
CS
Input
10
SCLK
Input
11
SO
Output
12
SI
Input
13
RTZ
Output
14
VDD
Input
15
RST
Input
16
VPWR
Input
(MS Motor Pin #) Output
21
SIN1− (MS #2)
22
SIN1+ (MS #1)
23
COS1− (MS #3)
24
COS1+ (MS #4)
Formal Name
Definition
H-Bridge Outputs 0 Each pin is the output pin of a half bridge, designed to source or sink
current.
Ground
These pins serve as the ground for the source of the low-side output
transistors as well as the logic portion of the device.
Chip Select
This pin is connected to a chip select output of a LSI IC.
Serial Clock
This pin is connected to the SCLK pin of the master device and acts
as a bit clock for the SPI port.
Serial Output
This pin is connected to the SPI Serial Data Input pin of the master
device or to the SI pin of the next device in a daisy chain.
Serial Input
This pin is connected to the SPI Serial Data Output pin of the master
device from which it receives output command data.
Multiplexed Output This is a multiplexed output pin for the non-driven coil, during a Return
to Zero (RTZ) event.
Voltage
This SPI and logic power supply input will work with 5.0 V supplies.
Reset
This input has an internal active pull-up.
Battery Voltage Power supply.
H-Bridge Outputs 1 Each of these pins is the output pin of a half bridge, designed to
source or sink current.
Analog Integrated Circuit Device Data
Freescale Semiconductor
33976
3
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