参数资料
型号: L99H01XPTR
厂商: STMICROELECTRONICS
元件分类: 运动控制电子
英文描述: BRUSH DC MOTOR CONTROLLER, PDSO36
封装: ROHS COMPLIANT, SSOP-36
文件页数: 33/53页
文件大小: 1129K
代理商: L99H01XPTR
L99H01
Doc ID 15567 Rev 3
4.6
Detailed byte description of application registers (ApplRegX)
The write/read operation starts always with a command byte followed by 1 data byte.
4.6.1
Description of the data byte
The device uses 3 application registers to configure the device. Note that the last row shows
the logic levels during a reset phase.
Comments:
RWD: Restarts the watchdog counter
FW_PAS: Enables passive free wheeling according to Table 23
OFF_CAL: Offset calibration mode for CSA
OVT: Overvoltage threshold
CLK_SPCTR: Switch the clock to the charge pump
0: 125 Khz (50% duty cycle)
1: pulses train (max = 8 s, min = 2 s) to optimize power spectrum
OV_UV_RD: Over-/undervoltage recovery disabled. If this bit is set the microcontroller
has to clear the status register after any under-/overvoltage event to enable the gate
drivers.
DIAG[1:0]: Drain source monitoring threshold voltage
Table 33.
Address 1 <01(hex)>:ApplReg1-read/write
Bit
7
6
5
4
3
2
1
0
Name
RWD
FW_PAS
OFF_CAL
CLK_SPCTR
OVT
OV_UV_ RD
DIAG1
DIAG0
<default>
0
Table 34.
Overvoltage threshold of the Vs monitoring
OVT
Threshold
020 V
129 V
Table 35.
DIAG monitoring of source voltages
DIAG[1]
DIAG[0]
Monitoring threshold voltage
00
VSCD1= 0.5 V
01
VSCD2 = 1 V
10
VSCD3 = 1.5 V
11
VSCD4 = 2 V
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