TMS370 datasheet(20/60 Pages) TI

20 / 60 page

TMS370Cx2x

8-BIT MICROCONTROLLER

SPNS018C – FEBRUARY 1993 – REVISED FEBRUARY 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

programmable timer 1

The programmable timer module of the TMS370Cx2x provides the enhanced timer resources required to

perform real-time system control. The Timer 1 module contains the general-purpose timer T1 and the watchdog

(WD) timer. The two independent 16-bit timers (T1 and WD) allow program selection of input clock sources

(real-time, external event, or pulse-accumulate) with multiple 16-bit registers (input-capture and compare) for

special timer function control. The timer 1 module includes three external device pins that can be used for

multiple counter functions (operation-mode dependent), or used as general-purpose I/O pins. The T1 module

is shown in Figure 5.

T1PWM

T1EVT

T1IC/CR

Interrupt

Logic

Interrupt

Logic

16-Bit Watchdog

Counter (Aux. Timer)

8-Bit

Prescaler

16-Bit

Compare Register

16-Bit

Capt/Comp Register

PWM

Toggle

MUX

Edge

Select

16-Bit Counter

Figure 5. Timer 1 Block Diagram

D Three T1 I/O pins

–

T1IC/CR: T1 input capture / counter-reset input pin, or general-purpose bidirectional I/O pin

–

T1PWM: T1 pulse-width-modulation (PWM) output pin, or general-purpose bidirectional I/O pin

–

T1EVT: T1 event input pin, or general-purpose bidirectional I/O pin

D Two operational modes:

–

Dual-compare mode: Provides PWM signal

–

Capture/compare mode: Provides input capture pin

D One 16-bit general-purpose resettable counter

D One 16-bit compare register with associated compare logic

D One 16-bit capture/compare register, which, depending on the mode of operation, operates as either

capture or compare register

D One 16-bit WD counter can be used as an event counter, a pulse accumulator, or an interval timer if WD

feature is not needed.

D Prescaler/clock sources that determine one of eight clock sources for general-purpose timer

TMS370 Datasheet(PDF) 20 Page - Texas Instruments

TMS370 Datasheet(HTML) 20 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

Datasheet Download

Link URL