DVR datasheet(166/416 Pages) MICROCHIP

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PIC24FJ256GA705 FAMILY

DS30010118D-page 166

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TyCON: TIMER3 CONTROL REGISTER(1)

R/W-0

U-0

R/W-0

U-0

R/W-0

TON(2)

—TSIDL(2)

—

TECS1(2,3)

TECS0(2,3)

bit 15

bit 8

U-0

R/W-0

U-0

R/W-0

U-0

—TGATE(2)

TCKPS1(2)

TCKPS0(2)

—

—TCS(2,3)

—

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

TON: Timery On bit(2)

1 = Starts 16-bit Timery

0 = Stops 16-bit Timery

bit 14

Unimplemented: Read as ‘0’

bit 13

TSIDL: Timery Stop in Idle Mode bit(2)

1 = Discontinues module operation when device enters Idle mode

0 = Continues module operation in Idle mode

bit 12-10

Unimplemented: Read as ‘0’

bit 9-8

TECS<1:0>: Timery Extended Clock Source Select bits (selected when TCS = 1)(2,3)

11 = Generic timer (TxCK) external input

10 = LPRC Oscillator

01 = TyCK external clock input

00 = SOSC

bit 7

Unimplemented: Read as ‘0’

bit 6

TGATE: Timery Gated Time Accumulation Enable bit(2)

When TCS = 1:

This bit is ignored.

When TCS = 0:

1 = Gated time accumulation is enabled

0 = Gated time accumulation is disabled

bit 5-4

TCKPS<1:0>: Timery Input Clock Prescale Select bits(2)

11 = 1:256

10 = 1:64

01 = 1:8

00 = 1:1

bit 3-2

Unimplemented: Read as ‘0’

bit 1

TCS: Timery Clock Source Select bit(2,3)

1 = External clock from pin, TyCK (on the rising edge)

0 = Internal clock (FOSC/2)

bit 0

Unimplemented: Read as ‘0’

Note 1:

Changing the value of TyCON while the timer is running (TON = 1) causes the timer prescale counter to

reset and is not recommended.

When 32-bit operation is enabled (T2CON<3> = 1), this bit has no effect on Timery operation; all timer

functions are set through T2CON.

If TCS = 1 and TECS<1:0> = x1, the selected external timer input (TyCK) must be configured to an

available RPn/RPIn pin. For more information, see Section 11.5 “Peripheral Pin Select (PPS)”.

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