Microchip Technology MA330019 Data Sheet

© 2007-2012 Microchip Technology Inc.

DS70291G-page  217

R/W-0

U-0

R/W-0

U-0

U-0

U-0

U-0

U-0

PTEN

—

PTSIDL

—

—

—

—

—

bit 15

bit 8

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

PTOPS<3:0>

PTCKPS<1:0>

PTMOD<1:0>

bit 7

bit 0

Legend:
R = Readable bit

W = Writable bit

U = Unimplemented bit, read as ‘0’

-n = Value at POR

‘1’ = Bit is set

‘0’ = Bit is cleared

x = Bit is unknown

bit 15

PTEN: PWM Time Base Timer Enable bit
1 = PWM time base is on
0 = PWM time base is off

bit 14

Unimplemented: Read as ‘0’

bit 13

PTSIDL: PWM Time Base Stop in Idle Mode bit
1 = PWM time base halts in CPU Idle mode
0 = PWM time base runs in CPU Idle mode

bit 12-8

Unimplemented: Read as ‘0’

bit 7-4

PTOPS<3:0>: PWM Time Base Output Postscale Select bits
1111 = 1:16 postscale
•
•
•
0001 = 1:2 postscale
0000 = 1:1 postscale

bit 3-2

PTCKPS<1:0>: PWM Time Base Input Clock Prescale Select bits
11 = PWM time base input clock period is 64 T

CY

 (1:64 prescale)

10 = PWM time base input clock period is 16 T

CY

 (1:16 prescale)

01 = PWM time base input clock period is 4 T

CY

 (1:4 prescale)

00 = PWM time base input clock period is T

CY

 (1:1 prescale)

bit 1-0

PTMOD<1:0>: PWM Time Base Mode Select bits
11 = PWM time base operates in a Continuous Up/Down Count mode with interrupts for double 

 

PWM updates

10 = PWM time base operates in a Continuous Up/Down Count mode
01 = PWM time base operates in Single Pulse mode
00 = PWM time base operates in a Free-Running mode