C8051F310 datasheet(192/228 Pages) SILABS

192 / 228 page

C8051F310/1/2/3/4/5/6/7

192

Rev. 1.7

SFR Definition 17.2. TMOD: Timer Mode

Bit7:

GATE1: Timer 1 Gate Control.

0: Timer 1 enabled when TR1 = 1 irrespective of /INT1 logic level.

1: Timer 1 enabled only when TR1 = 1 AND /INT1 is active as defined by bit IN1PL in regis-

ter IT01CF (see SFR Definition 8.11).

Bit6:

C/T1: Counter/Timer 1 Select.

0: Timer Function: Timer 1 incremented by clock defined by T1M bit (CKCON.4).

1: Counter Function: Timer 1 incremented by high-to-low transitions on external input pin

(T1).

Bits5–4: T1M1–T1M0: Timer 1 Mode Select.

These bits select the Timer 1 operation mode.

Bit3:

GATE0: Timer 0 Gate Control.

0: Timer 0 enabled when TR0 = 1 irrespective of /INT0 logic level.

1: Timer 0 enabled only when TR0 = 1 AND /INT0 is active as defined by bit IN0PL in regis-

ter IT01CF (see SFR Definition 8.11).

Bit2:

C/T0: Counter/Timer Select.

0: Timer Function: Timer 0 incremented by clock defined by T0M bit (CKCON.3).

1: Counter Function: Timer 0 incremented by high-to-low transitions on external input pin

(T0).

Bits1–0: T0M1–T0M0: Timer 0 Mode Select.

These bits select the Timer 0 operation mode.

R/W

Reset Value

GATE1

C/T1

T1M1

T1M0

GATE0

C/T0

T0M1

T0M0

00000000

Bit7

Bit6

Bit5

Bit4

Bit3

Bit2

Bit1

Bit0

SFR Address:

0x89

T1M1

T1M0

Mode

Mode 0: 13-bit counter/timer

Mode 1: 16-bit counter/timer

Mode 2: 8-bit counter/timer with auto-reload

Mode 3: Timer 1 inactive

T0M1

T0M0

Mode

Mode 0: 13-bit counter/timer

Mode 1: 16-bit counter/timer

Mode 2: 8-bit counter/timer with auto-reload

Mode 3: Two 8-bit counter/timers

C8051F310 Datasheet(PDF) 192 Page - Silicon Laboratories

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