UPSD3254 STMICROELECTRONICS [STMicroelectronics], UPSD3254 Datasheet - Page 75

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UPSD3254

Manufacturer Part Number
UPSD3254
Description
Flash Programmable System Devices with 8032 Microcontroller Core
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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Table 49. PWM SFR Memory Map
PWMCON Register Bit Definition:
– PWML = PWM 0-3 polarity control
– PWMP = PWM 4 polarity control
– PWME = PWM enable (0 = disabled, 1= enabled)
– CFG3..CFG0 = PWM 0-3 Output (0 = Open Drain; 1 = Push-Pull)
– CFG4 = PWM 4 Output (0 = Open Drain; 1 = Push-Pull)
Addr
SFR
AA
AB
A1
A2
A3
A4
A5
B1
B2
B3
B4
Reg Name
PWMCON
PWM4W
PSCL0H
PSCL1H
PSCL0L
PSCL1L
PWM4P
PWM0
PWM1
PWM2
PWM3
PWML
7
PWMP
6
PWME
UPSD3254A, UPSD3254BV, UPSD3253B, UPSD3253BV
5
Bit Register Name
CFG4
4
CFG3
3
CFG2
2
CFG1
1
CFG0
0
Reset
Value
00
00
00
00
00
00
00
00
00
00
00
Comments
Prescaler 0
Prescaler 0
Prescaler 1
Prescaler 1
High (8-bit)
High (8-bit)
Duty Cycle
Duty Cycle
Duty Cycle
Duty Cycle
Low (8-bit)
Low (8-bit)
Polarity
PWM 4
PWM 4
Control
PWM0
Output
PWM1
Output
PWM2
Output
PWM3
Output
Period
PWM
Pulse
Width
75/175

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