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Low-Side Drivers - LSDRV (S12LSDRV2)
MC9S12VRP Family Reference Manual Rev. 1.3
NXP Semiconductors
373
13.2
External Signal Description
shows the external pins associated with the LSDRV module.
13.2.1
LS0, LS1— Low Side Driver Pins
Outputs of the two low-side drivers intended to drive inductive loads (relays).
13.2.2
LSGND — Low Side Driver Ground Pin
Common current sink for both low-side driver pins. This pin should be connected on-board to the common
ground.
13.3
Memory Map and Register Definition
This section provides a detailed description of all registers accessible in the LSDRV module.
13.3.1
Module Memory Map
A summary of registers associated with the LSDRV module is shown in
. Detailed descriptions
of the registers and bits are given in the followi
ng sections.
NOTE
Register Address = Module Base A Address Offset, where the
Module Base Address is defined at the MCU level and the Address Offset
is defined at the module level.
Table 13-2. LSDRV Signal Properties
Name
Function
Reset State
LS0
Low-side driver output 0
disabled (off)
LS1
Low-side driver output 1
disabled (off)
LSGND
Low-side driver ground pin
—
Table 13-3. Register Summary
Address Offset
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
0x0000
LSDR
R
0
0
0
0
0
0
LSDR1
LSDR0
W
0x0001
LSCR
R
0
0
0
0
LSOLE1
LSOLE0
LSE1
LSE0
W
0x0002
Reserved
R
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
W
0x0003
Reserved
R
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
W
Содержание MC9S12VRP64
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Страница 529: ...MC9S12VRP Family Reference Manual Rev 1 3 NXP Semiconductors 529 Appendix J Package Information ...
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