306
Internal data bus
PWDRL
PWDRU
PWCR
PWM
waveform
generator
ø/2
ø/4
ø/8
ø/16
Notation:
PWDRL:
PWDRU:
PWCR:
PWM data register L
PWM data register U
PWM control register
PWM
Figure 11.1 Block Diagram of the 14 bit PWM
11.1.3
Pin Configuration
Table 11.1 shows the output pin assigned to the 14-bit PWM.
Table 11.1
Pin Configuration
Name
Abbrev.
I/O
Function
PWM output pin
PWM
Output
Pulse-division PWM waveform output
11.1.4
Register Configuration
Table 11.2 shows the register configuration of the 14-bit PWM.
Table 11.2
Register Configuration
Name
Abbrev.
R/W
Initial Value
Address
PWM control register
PWCR
W
H'FC
H'FFD0
PWM data register U
PWDRU
W
H'C0
H'FFD1
PWM data register L
PWDRL
W
H'00
H'FFD2
Clock stop register 2
CKSTPR2
R/W
H'FF
H'FFFB