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Philips Semiconductors
ARM-based Microcontroller
Match Register 0
Match Register 1
Match Register 2
Match Register 3
Match Register 4
Match Register 5
Match Register 6
Latch Enable Register
Match Control Register
Interrupt Register
M[6:0]
Interrupt
Stop on Match
Reset on Match
Timer Control Register
Note: this diagram is intended to clarify the function of the PWM rather than to suggest a specific design implementation.
Pulse Width Modulator (PWM)
Shadow Register 0
Load Enable
Shadow Register 1
Load Enable
Shadow Register 2
Load Enable
Shadow Register 3
Load Enable
Shadow Register 4
Load Enable
Shadow Register 5
Load Enable
Shadow Register 6
Load Enable
Match 0
Clear
Control
CSN
RESET
ENABLE
Figure 41: PWM block diagram
=
=
=
=
=
=
=
Timer Counter
CE
TCI
Prescale Counter
MAXVAL
Prescale Register
192
Preliminary User Manual
LPC2119/2129/2292/2294
Match 0
S
Q
PWM1
Match 1
EN
PWMENA1
R
PWMSEL2
mux
S
Q
PWM2
Match 2
EN
PWMENA2
R
PWMSEL3
mux
S
PWM3
Q
Match 3
EN
PWMENA3
R
PWMSEL4
mux
S
Q
PWM4
Match 4
EN
PWMENA4
R
PWMSEL5
mux
S
Q
PWM5
Match 5
EN
PWMENA5
R
PWMSEL6
mux
S
Q
PWM6
Match 6
EN
PWMENA6
R
PWMENA1..6
PWMSEL2..6
PWM Control Register
January 08, 2004
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