294
13.1.3
Pin Configuration
Table 13.1 shows the 14-bit PWM output pin.
Table 13.1
Pin Configuration
Name
Abbrev.
I/O
Function
PWM output
PWM
Output
Pulse-division PWM waveform output pin
13.1.4
Register Configuration
Table 13.2 shows the 14-bit PWM register configuration.
Table 13.2
14-Bit PWM Register
Name
Abbrev.
R/W
Initial Value
Address
PWM control register
PWCR
W
H'FE
H'FFA4
PWM data register U
PWDRU
W
H'C0
H'FFA5
PWM data register L
PWDRL
W
H'00
H'FFA6
13.2
Register Descriptions
13.2.1
PWM Control Register (PWCR)
Bit
7
6
5
4
3
2
1
0
—
—
—
—
—
—
—
PWCR0
Initial value
1
1
1
1
1
1
1
0
Read/Write
—
—
—
—
—
—
—
W
PWCR is an 8-bit write-only register that selects the input clock.
Upon reset, PWCR is initialized to H'FE.
Bits 7 to 1—Reserved Bits: Bits 7 to 1 are reserved bits. They are always read as 1 and cannot be
modified.