參數(shù)資料
型號: uPSD3234B-40U1T
廠商: 意法半導體
英文描述: Flash Programmable System Devices with 8032 Microcontroller Core
中文描述: 閃存可編程系統(tǒng)設備與8032微控制器內核
文件頁數(shù): 69/170頁
文件大小: 2717K
代理商: UPSD3234B-40U1T
69/170
uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV
Programmable Period 8-bit PWM
The PWM 4 channel can be programmed to pro-
vide a PWM output with variable pulse width and
period. The PWM 4 has a 16-bit Prescaler, an 8-
bit Counter, a Pulse Width Register, and a Period
Register. The Pulse Width Register defines the
PWM pulse width time, while the Period Register
defines the period of the PWM. The input clock to
the Prescaler is f
OSC
/2. The PWM 4 channel is as-
signed to Port 4.7.
Figure 37. Programmable PWM 4 Channel Block Diagram
AI07091
Port 4.7
16-bit Prescaler
Register
(B4h, B3h)
16-bit Prescaler
Counter
8-bit Counter
8-bit PWM4P
Register
(Period)
8-bit PWM4
Comparator
Register
8-bit PWM4
Comparator
PWM4
Control
Match
CPU RD/WR
Load
Load
Clock
Reset
PWMCON
Bit 6 (PWMP)
DATA BUS
CPU RD/WR
fOSC / 2
PWMCON
Bit 5 (PWME)
8
16
8
8
8
8
8-bit PWM4W
Register
(Width)
8-bit PWM4
Comparator
Register
8-bit PWM4
Comparator
8
8
8
8
8
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