UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 407
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UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
- Current page: 407 of 759
- Download datasheet (3Mb)
13.2 PWM OUTPUT UNIT CONTROL REGISTERS
13.2.1 PWM Control Register (PWMC)
is shown in Figure 13-2.
is set.
The PWMC is an 8-bit register that controls the operating status of the PWM output pins (PWMn: n = 0, 1).
The PWMC can be read or written to with an 8-bit manipulation instruction or bit manipulation instruction. Its format
When RESET is input, PWMC is set to 05H, the PWMn pin is set to port mode, and the input state (output high impedance)
PWMC
SYN1
7
6
0
SYN0
5
Figure 13-2 PWM Control Register (PWMC) Format
4
0
EN1
CHAPTER 13 PWM OUTPUT UNIT
3
ALV1
2
EN0
1
ALV0
0
SYNn
ALVn
ENn
0FF70H
Address
0
1
0
1
0
1
PWMn Pin PWM Active Level Setting
Active-low
Active-high
PWMn Pin PWM Output Control
Output disabled. The pin level is derermined
by the contents of th PM1, P1 and PU0
(port mode).
PWM output enabled
PWM Pulse Width Rewrite Cycle
Specification
Rewritten every 16 PWM cycles (2
Rewritten every PWM cycle (2
On Reset
05H
R/W
R/W
8
/f
PWMC
12
(n = 0, 1)
/f
)
PWMC
)
367
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