Philips LPC2129 - Figure 42: PWM Block Diagram

Pulse Width Modulator (PWM) 226 May 03, 2004
Philips Semiconductors Preliminary User Manual
LPC2119/2129/2194/2292/2294ARM-based Microcontroller
Figure 42: PWM block diagram
=
=
Match Register 0
Match Register 1
Match Register 2
Match Register 3
Match Register 4
Match Register 5
Match Register 6
Shadow Register 0
Shadow Register 1
Shadow Register 2
Shadow Register 3
Shadow Register 4
Shadow Register 6
Shadow Register 5
=
=
=
=
Prescale Register
MAXVAL
Prescale Counter
Timer Counter
Timer Control Register
Match Control Register
Interrupt Register
TCI
ENABLERESET
CE
CSN
M[6:0]
Interrupt
Stop on Match
Reset on Match
Control
Latch Enable Register
PWM Control Register
=
Match 0
Match 3
Match 4
Match 2
PWMSEL2
mux
Match 1
Match 5
Match 6
PWM2
PWMSEL3
mux
PWM3
PWMSEL4
mux
PWM4
PWMSEL5
mux
PWM5
PWMSEL6
mux
PWM6
PWM1
Load Enable
Load Enable
Load Enable
Load Enable
Load Enable
Load Enable
Load Enable
Match 0
Clear
PWMENA1..6
Note: this diagram is intended to clarify the function of the PWM rather than to suggest a specific design implementation.
PWMSEL2..6
Q
S
R
EN PWMENA1
Q
S
R
EN
Q
S
R
EN
Q
S
R
EN
PWMENA3
PWMENA2
PWMENA4
Q
S
R
EN
PWMENA5
Q
S
R
EN
PWMENA6