參數(shù)資料
型號: ST92186B3BK
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PDIP32
封裝: PLASTIC, SDIP-32
文件頁數(shù): 34/148頁
文件大?。?/td> 1664K
代理商: ST92186B3BK
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ST92186B - PWM GENERATOR
PWM GENERATOR (Cont’d)
Up to 6 (SDIP42) or 4 (SDIP32) PWM outputs can
be selected as Alternate Functions of an I/O port.
Each output bit is independently controlled by a
separate Compare Register. When the value pro-
grammed into the Compare Register and the
counter value are equal, the corresponding output
bit is set. The output bit is reset by a counter clear
(by overflow or autoclear), generating the variable
PWM signal.
Each output bit can also be complemented or dis-
abled under software control.
7.7.2 Register Mapping
The registers of the PWM Generator are mapped
in page 59.
Note 1: available on SDIP42 only
Figure 64. PWM Action When Compare Register = 0 (no complement)
Figure 65. PWM Action When Compare Register = 3 (no complement)
Register
Address
Register
Function
R240
CM0
Ch. 0 Compare Register
R241
CM1
Ch. 1 Compare Register
R242
CM2
Ch. 2 Compare Register 1)
R243
CM3
Ch. 3 Compare Register 1)
R244
Reserved
R245
Reserved
R246
CM6
Ch. 6 Compare Register
R247
CM7
Ch. 7 Compare Register
R248
ACR
Autoclear Register
R249
CRR
Counter Read Register
R250
PCTLR
Prescaler/ Reload Reg.
R251
OCPLR
Output Complement Reg.
R252
OER
Output Enable Register
R253- R255
Reserved
VR0A1814
PWM
CLOCK
PWM
OUTPUT
Counter=Autoclear value
Counter=0
Counter=1
VR001814
PWM
CLOCK
PWM
OUTPUT
Counter=Autoclear value
Counter=0
Counter=3
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