DSPIC33EP128GS708 datasheet(219/484 Pages) MICROCHIP

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DS70005258C-page 219

dsPIC33EPXXXGS70X/80X FAMILY

17.2

PTG Control Registers

PTGCST: PTG CONTROL/STATUS REGISTER

R/W-0

U-0

R/W-0

U-0

R/W-0

PTGEN

—

PTGSIDL

PTGTOGL

—PTGSWT(2)

PTGSSEN

PTGIVIS

bit 15

bit 8

R/W-0

HS-0

U-0

R/W-0

PTGSTRT

PTGWDTO

—

—PTGITM1(1)

PTGITM0(1)

bit 7

bit 0

Legend:

HS = Hardware Settable bit

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

PTGEN: PTG Module Enable bit

1 = PTG module is enabled

0 = PTG module is disabled

bit 14

Unimplemented: Read as ‘0’

bit 13

PTGSIDL: PTG Stop in Idle Mode bit

1 = Discontinues module operation when device enters Idle mode

0 = Continues module operation in Idle mode

bit 12

PTGTOGL: PTG TRIG Output Toggle Mode bit

1 = Toggles the state of the PTGOx for each execution of the PTGTRIG command

0 = Each execution of the PTGTRIG command will generate a single PTGOx pulse determined by the

value in the PTGPWDx bits

bit 11

Unimplemented: Read as ‘0’

bit 10

PTGSWT: PTG Software Trigger bit(2)

1 = Triggers the PTG module

0 = No action (clearing this bit will have no effect)

bit 9

PTGSSEN: PTG Enable Single-Step bit

1 = Enables Single-Step mode

0 = Disables Single-Step mode

bit 8

PTGIVIS: PTG Counter/Timer Visibility Control bit

1 = Reads of the PTGSDLIM, PTGCxLIM or PTGTxLIM registers return the current values of their

corresponding Counter/Timer registers (PTGSD, PTGCx, PTGTx)

0 = Reads of the PTGSDLIM, PTGCxLIM or PTGTxLIM registers return the value previously written to

those PTG Limit registers

bit 7

PTGSTRT: Start PTG Sequencer bit

1 = Starts to sequentially execute commands (Continuous mode)

0 = Stops executing commands

bit 6

PTGWDTO: PTG Watchdog Timer Time-out Status bit

1 = PTG Watchdog Timer has timed out

0 = PTG Watchdog Timer has not timed out.

bit 5-2

Unimplemented: Read as ‘0’

Note 1:

These bits apply to the PTGWHI and PTGWLO commands only.

This bit is only used with the PTGCTRL Step command software trigger option.

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