參數(shù)資料
型號: TC655EUNTR
元件分類: 運動控制電子
英文描述: BRUSHLESS DC MOTOR CONTROLLER, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 14/36頁
文件大?。?/td> 706K
代理商: TC655EUNTR
2002 Microchip Technology Inc.
DS21734A-page 21
TC654/TC655
6.5
DUTY-CYCLE Register
(DUTY_CYCLE)
The DUTY_CYCLE register is a 4-bit read/writable reg-
ister used to control the duty cycle of the VOUT output.
The controllable duty cycle range via this register is
30% to 100%, with programming steps of 4.67%.This
method of duty cycle control is mainly used with the
SMBus interface. However, if the VIN method of duty
cycle control has been selected (or defaulted to), and
the VIN pin is open, the duty cycle will go to the default
setting of this register, which is 0010 (39.33%). The
duty cycle settings are shown in Register 6-5.
REGISTER 6-5:
DUTY-CYCLE REGISTER
(DUTY_CYCLE)
6.6
Manufacturer’s Identification
Register (MFR_ID)
This register allows the user to identify the manufac-
turer of the part. The MFR_ID register is an 8-bit Read
only register. See Register 6-6 for the Microchip manu-
facturer ID.
REGISTER 6-6:
MANUFACTURER’S
IDENTIFICATION
REGISTER (MFR_ID)
6.7
Version ID Register (VER_ID)
This register is used to indicate which version of the
device is being used, either the TC654 or the TC655.
This register is a simple 2-bit Read only register.
REGISTER 6-7:
VERSION ID REGISTER
(VER_ID)
D(3)
D(2)
D(1)
D(0)
Duty-Cycle
000
0
30%
0
1
34.67%
0
1
0
39.33% (default for VIN
open and when SMBus
is not selected)
001
1
44%
0
1
0
48.67%
0
1
0
1
53.33%
011
0
58%
0
1
62.67%
1
0
67.33%
100
1
72%
1
0
1
0
76.67%
1
0
1
81.33%
110
0
86%
1
0
1
90.67%
1
0
95.33%
111
1
100%
D[7] D[6] D[5] D[4] D[3] D[2] D[1] D[0]
01
00
D[1] D[0] Version
00
TC654
01
TC655
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