l99pm62gxp STMicroelectronics, l99pm62gxp Datasheet - Page 79
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l99pm62gxp
Manufacturer Part Number
l99pm62gxp
Description
Power Management Ic With Lin And High Speed Can
Manufacturer
STMicroelectronics
Datasheet
1.L99PM62GXP.pdf
(102 pages)
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L99PM62GXP
6.2
6.2.1
The <SPI-frame-ID> (ROM address 3EH) provides information about the register width (1,
2, 3 bytes) and the availability of ‘Burst Mode Read’ and watchdog.
Table 71.
BR:burst-mode read (1 = burst-mode read is supported)
WD:watchdog (1 = available, 0 = not available)
32-bit, 24-bit, 16-bit: width of SPI frame (see table below)
<Burst Mode>:not supported
<Watchdog>:available
<Frame Width>:24 bit
SPI registers
Overview
Overview command byte
Table 72.
Table 73.
Table 74.
Bit 7
BR
0
0
0
0
0
x
Read/write
0
0
1
1
SPI-frame-ID
SPI register: command byte
SPI register: mode selection
SPI register: CTRL register selection
Bit 6
WD
0
0
0
0
1
Read/write
x
CTRL register 1…6
0
0
0
0
Bit 5
X
0
x
Doc ID 17639 Rev 3
0
1
0
1
0
0
0
1
Bit 4
X
0
x
0
1
1
0
Bit 3
X
0
x
Address
1
0
1
0
32-bit
Bit 2
Read device info
Mode selection
Read and clear
0
x
Write
Read
CTRL register selection
CTRL register1
CTRL register2
CTRL register3
CTRL register4
24-bit
Bit 1
1
x
16-bit
Bit 0
ST SPI
0
x
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