HT66F13 datasheet(77/173 Pages) HOLTEK

77 / 173 page

Standard Type TM

- STM

The Standard Type TM contains five operating modes, which are Compare Match Output,

Timer/Event Counter, Capture Input, Single Pulse Output and PWM Output modes. The Standard TM

can also be controlled with an external input pin and can drive one or two external output pins.

CTM

Name

TM No.

TM Input Pin

TM Output Pin

HT66F13/HT66F14

10-bit STM

TCK1

TP1_0, TP1_1

HT66F15

¾¾¾¾

Standard TM Operation

At its core is a 10-bit count-up counter which is driven by a user selectable internal or external clock

source. There are also two internal comparators with the names, Comparator A and Comparator P.

These comparators will compare the value in the counter with CCRP and CCRA registers. The CCRP

is three bits wide whose value is compared with the highest three bits in the counter while the CCRA is

the ten bits and therefore compares with all counter bits.

The only way of changing the value of the 10-bit counter using the application program, is to clear the

counter by changing the TnON bit from low to high. The counter will also be cleared automatically by

a counter overflow or a compare match with one of its associated comparators. When these conditions

occur, a TM interrupt signal will also usually be generated. The Standard Type TM can operate in a

number of different operational modes, can be driven by different clock sources including an input pin

and can also control an output pin. All operating setup conditions are selected using relevant internal

registers.

Rev. 1.10

February 9, 2011

HT66F13/HT66F14/HT66F15

Enhanced A/D Flash Type MCU

C C R P

C C R A

T n C C L R

C o m p a r a t o r P M a t c h

C o m p a r a t o r A M a t c h

T n C K 2 ~ T n C K 0

T n O N

T n P A U

b 7 ~ b 9

3 - b i t C o m p a r a t o r P

1 0 - b i t C o m p a r a t o r A

C o u n t e r C l e a r

1 0 - b i t C o u n t - u p C o u n t e r

T n P F I n t e r r u p t

T n A F I n t e r r u p t

T P n P i n

I n p u t / O u t p u t

b 0 ~ b 9

E d g e

D e t e c t o r

T n I O 1 , T n I O 0

T n M 1 , T n M 0

T n I O 1 , T n I O 0

T n P O L

T n O C

P o l a r i t y

C o n t r o l

O u t p u t

C o n t r o l

T P n _ 0

T P n _ 1

T C K n

1 1 1

0 0 0

0 0 1

0 1 0

0 1 1

1 0 0

1 0 1

1 1 0

f S Y S / 4

f S Y S

f H / 1 6

f H / 6 4

f T B C

R e s e r v e d

Standard Type TM Block Diagram

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