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Chapter 17 Gate Drive Unit (GDUV4)
MC9S12ZVM Family Reference Manual Rev. 1.3
630
Freescale Semiconductor
17.3.2.1
GDU
Module Enable Register (GDUE)
Module Base + 0x0000
Access: User read/write
(1)
1. Read: Anytime
Write: Anytime, write protected bits only if GWP=0. On entry in stop mode bits GCSE0, GCSE1, GBOE, GCPE & GFDE are
cleared. After exit from stop mode write protected bits GBOE, GCPE & GFDE can be written once when GWP=1.
7
6
5
4
3
2
1
0
R
GWP
0
EPRES
GCSE1
GBOE
GCSE0
GCPE
GFDE
W
Reset
0
0
0
0
0
0
0
1
= Unimplemented
Figure 17-3. GDU Module Enable Register (GDUE)
Table 17-2. GDUE Register Field Description
Field
Description
7
GWP
GDU Write Protect— This bit enables write protection to be used for the write protectable bits. While clear, GWP
allows write protectable bits to be written. When set GWP prevents any further writes to write protectable bits.
Once set , GWP is cleared by reset.
0 Write-protectable bits may be written
1 Write-protectable bits cannot be written
5
EPRES
Enable High-Side Driver Preserve Functionality — This bit controls the bootstrap charge preserve mode of the
high-side drivers. If EPRES is set and the high-side driver is switched off the input current of the VBSx pins is
reduced by typically 100uA in order to preserve the charge on the bootstrap capacitor. This bit cannot be modified
after GWP bit is set
0 High-side driver preserve functionality disabled
1 High-side driver preserve functionality enabled
4
GCSE1
GDU Current Sense Amplifier 1 Enable— This bit enables the current sense amplifier. See
17.4.8
Section 17.4.8, “Current Sense Amplifier and Overcurrent Comparator
0 Current sense amplifier 1 is disabled
1 Current sense amplifier 1 is enabled
3
GBOE
GDU Boost Converter Enable — This bit enables the boost option. This bit cannot be modified after GWP bit is
set. See
Section 17.4.10, “Boost Converter
0 Boost option is disabled
1 Boost option is enabled
2
GCSE0
GDU Current Sense Amplifier 0 Enable— This bit enables the current sense amplifier. See
“Current Sense Amplifier and Overcurrent Comparator
0 Current sense amplifier 0 is disabled
1 Current sense amplifier 0 is enabled
Содержание MC9S12ZVM series
Страница 116: ...Chapter 2 Port Integration Module S12ZVMPIMV1 MC9S12ZVM Family Reference Manual Rev 1 3 116 Freescale Semiconductor ...
Страница 242: ...Chapter 7 ECC Generation Module SRAM_ECCV1 MC9S12ZVM Family Reference Manual Rev 1 3 242 Freescale Semiconductor ...
Страница 384: ...Chapter 10 Supply Voltage Sensor BATSV3 MC9S12ZVM Family Reference Manual Rev 1 3 384 Freescale Semiconductor ...
Страница 484: ...Chapter 13 Programmable Trigger Unit PTUV2 MC9S12ZVM Family Reference Manual Rev 1 3 484 Freescale Semiconductor ...
Страница 662: ...Chapter 17 Gate Drive Unit GDUV4 MC9S12ZVM Family Reference Manual Rev 1 3 662 Freescale Semiconductor ...
Страница 684: ...Chapter 18 LIN Physical Layer S12LINPHYV2 MC9S12ZVM Family Reference Manual Rev 1 3 684 Freescale Semiconductor ...
Страница 740: ...Chapter 19 128 KB Flash Module S12ZFTMRZ128K512V2 MC9S12ZVM Family Reference Manual Rev 1 3 740 Freescale Semiconductor ...
Страница 756: ...Appendix A MCU Electrical Specifications MC9S12ZVM Family Reference Manual Rev 1 3 756 Freescale Semiconductor ...
Страница 772: ...Appendix D LINPHY Electrical Specifications MC9S12ZVM Family Reference Manual Rev 1 3 772 Freescale Semiconductor ...
Страница 776: ...Appendix E GDU Electrical Specifications MC9S12ZVM Family Reference Manual Rev 1 3 776 Freescale Semiconductor ...
Страница 788: ...Appendix I MSCAN Electrical Specifications MC9S12ZVM Family Reference Manual Rev 1 3 788 Freescale Semiconductor ...
Страница 790: ...Appendix J Package Information MC9S12ZVM Family Reference Manual Rev 1 3 790 Freescale Semiconductor ...