PIC18F23K20-E/MLQTP MICROCHIP [Microchip Technology], PIC18F23K20-E/MLQTP Datasheet - Page 181
PIC18F23K20-E/MLQTP
Manufacturer Part Number
PIC18F23K20-E/MLQTP
Description
28/40/44-Pin Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
Manufacturer
MICROCHIP [Microchip Technology]
Datasheet
1.PIC18F23K20-EMLQTP.pdf
(420 pages)
- Current page: 181 of 420
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16.4.7
In Single Output mode, pulse steering allows any of the
PWM pins to be the modulated signal. Additionally, the
same PWM signal can be simultaneously available on
multiple pins.
Once
(CCP1M<3:2> = 11
CCP1CON register), the user firmware can bring out
the same PWM signal to one, two, three or four output
pins by setting the appropriate STR<D:A> bits of the
PSTRCON register, as shown in Table 16-1.
REGISTER 16-4:
© 2007 Microchip Technology Inc.
bit 7
Legend:
R = Readable bit
-n = Value at POR
bit 7-5
bit 4
bit 3
bit 2
bit 1
bit 0
Note 1:
U-0
—
the
The PWM Steering mode is available only when the CCP1CON register bits CCP1M<3:2> = 11 and
P1M<1:0> = 00.
PULSE STEERING MODE
Single
Unimplemented: Read as ‘0’
STRSYNC: Steering Sync bit
1 = Output steering update occurs on next PWM period
0 = Output steering update occurs at the beginning of the instruction cycle boundary
STRD: Steering Enable bit D
1 = P1D pin has the PWM waveform with polarity control from CCPxM<1:0>
0 = P1D pin is assigned to port pin
STRC: Steering Enable bit C
1 = P1C pin has the PWM waveform with polarity control from CCPxM<1:0>
0 = P1C pin is assigned to port pin
STRB: Steering Enable bit B
1 = P1B pin has the PWM waveform with polarity control from CCPxM<1:0>
0 = P1B pin is assigned to port pin
STRA: Steering Enable bit A
1 = P1A pin has the PWM waveform with polarity control from CCPxM<1:0>
0 = P1A pin is assigned to port pin
U-0
—
and
PSTRCON: PULSE STEERING CONTROL REGISTER
Output
P1M<1:0> = 00
W = Writable bit
‘1’ = Bit is set
mode
U-0
—
is
Advance Information
selected
STRSYNC
of
R/W-0
the
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
R/W-0
While the PWM Steering mode is active, CCP1M<1:0>
bits of the CCP1CON register select the PWM output
polarity for the P1<D:A> pins.
The PWM auto-shutdown operation also applies to
PWM Steering mode as described in Section 16.4.4
“Enhanced
auto-shutdown event will only affect pins that have
PWM outputs enabled.
STRD
PIC18F2XK20/4XK20
Note:
The associated TRIS bits must be set to
output (‘0’) to enable the pin output driver
in order to see the PWM signal on the pin.
PWM
R/W-0
STRC
(1)
Auto-shutdown
x = Bit is unknown
R/W-0
STRB
DS41303B-page 179
mode”.
R/W-1
STRA
bit 0
An
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