參數(shù)資料
型號: L99H01QF
廠商: STMICROELECTRONICS
元件分類: 運(yùn)動控制電子
英文描述: BRUSH DC MOTOR CONTROLLER, PQFP32
封裝: 7 X 7 MM, ROHS COMPLIANT, LQFP-32
文件頁數(shù): 37/53頁
文件大?。?/td> 1129K
代理商: L99H01QF
L99H01
Doc ID 15567 Rev 3
Equation 1
Vth = n * (0.31 + m * 0.03) V
The purpose of factor n is to determine the number of external temperature sense diodes (in
series). With factor m the level of the threshold voltage can be fine tuned.
4.7
Read device information (ROM)
The device information is stored at the ROM addresses defined below and is read using the
respective operating code.
The <ID-Header> indicates the product family and specifies how many bytes of device
information are available.
FAM[1:0]: Family identifier, FAM[1:0] = [0:1] stands for ASSPs.
NR_PI[5:0]: Number of product information bytes.
The <Product Code 1 and 2> represents a unique identifier of the device and version.
Table 43.
Read device information (ROM)
Op code
Address
Device information
OC1
OC0
Ax
1
00H
<ID-Header>
1
01H
<Product Code 1>
1
02H
<Product Code 2>
1
03H
<SPI-frame-ID>
1
3FH
Reserved, accessing this address is recognized as a failure, the
device enters a fail-safe state (see Table 30: STK_RESET_Q).
Table 44.
Address 0 <00(hex)> : ID-header - read only(1)
1.
Addressable only through a read device information command.
Bit
7
6
543
21
0
Name
FAM_1
FAM_0
NR_PI_5
NR_PI_4
NR_PI_3
NR_PI_2
NR_PI_1
NR_PI_0
<default>
0
1
000
01
0
Table 45.
Address 1 <01(hex)>: product ID (LSB) - read only(1)
1.
Addressable only through a read device information command.
Bit
76543210
Name
PR_ID_7
PR_ID_6
PR_ID_5 PR_ID_4 PR_ID_3 PR_ID_2 PR_ID_1 PR_ID_0
<default>
00000001
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