HT56R656 datasheet(19/108 Pages) HOLTEK

19 / 108 page

HT56R62/HT56R65

HT56R642/HT56R644/HT56R654/HT56R656

Rev. 1.00

July 20, 2009

· Location 010H

This internal vector is used by the Timer/Event Coun-

ter 1. If a Timer/Event Counter 1 overflow occurs, the

program will jump to this location and begin execution

if the timer/event counter interrupt is enabled and the

stack is not full.

· Location 014H

This internal vector is used by the SPI/I

2C interrupt.

When either an SPI or I

2C bus, dependent upon which

one is selected, requires data transfer, the program

will jump to this location and begin execution if the

SPI/I

2C interrupt is enabled and the stack is not full.

· Location 018H

This internal vector is used by the Multi-function Inter-

rupt. The Multi-function Interrupt vector is shared by

several internal functions such as a Time Base over-

flow, a Real Time Clock overflow, an A/D converter

conversion completion, an active edge appearing on

the External Peripheral interrupt pin or a Timer/Event

Counter 2 overflow. The program will jump to this loca-

tion and begin execution if the relevant interrupt is en-

abled and the stack is not full.

0 1 4 H

I n i t i a l i s a t i o n

V e c t o r

E x t e r n a l I N T 0

I n t e r r u p t V e c t o r

T i m e r C o u n t e r 0

I n t e r r u p t V e c t o r

S P I / I 2 C

I n t e r r u p t V e c t o r

0 0 0 H

0 0 4 H

0 0 8 H

0 0 C H

0 1 0 H

0 1 8 H

E x t e r n a l I N T 1

I n t e r r u p t V e c t o r

T i m e r C o u n t e r 1

I n t e r r u p t V e c t o r

M u l t i _ F u n c t i o n

I n t e r r u p t V e c t o r

I n i t i a l i s a t i o n

V e c t o r

E x t e r n a l I N T 0

I n t e r r u p t V e c t o r

T i m e r C o u n t e r 0

I n t e r r u p t V e c t o r

S P I / I 2 C

I n t e r r u p t V e c t o r

E x t e r n a l I N T 1

I n t e r r u p t V e c t o r

T i m e r C o u n t e r 1

I n t e r r u p t V e c t o r

M u l t i _ F u n c t i o n

I n t e r r u p t V e c t o r

N o t I m p l e m e n t e d

1 4 b i t s

1 F F F H

1 5 b i t s

1 6 b i t s

I n i t i a l i s a t i o n

V e c t o r

E x t e r n a l I N T 0

I n t e r r u p t V e c t o r

T i m e r C o u n t e r 0

I n t e r r u p t V e c t o r

S P I / I 2 C

I n t e r r u p t V e c t o r

E x t e r n a l I N T 1

I n t e r r u p t V e c t o r

T i m e r C o u n t e r 1

I n t e r r u p t V e c t o r

M u l t i _ F u n c t i o n

I n t e r r u p t V e c t o r

H T 5 6 R 6 2

H T 5 6 R 6 5

H T 5 6 R 6 4 2

H T 5 6 R 6 4 4

H T 5 6 R 6 5 4

H T 5 6 R 6 5 6

0 1 C H

7 0 0 H

7 F F H

8 0 0 H

F F F H

1 0 0 0 H

Program Memory Structure

Instruction

Table Location Bits

b12

b11

b10

TABRDC [m]

PC12 PC11 PC10

PC9

PC8

TABRDL [m]

11111

Table Location

Note:

PC12~PC8: Current program counter bits

@7~@0: Table Pointer TBLP bits

For the HT56R65/HT56R654/HT56R656, the Table address location is 13 bits, i.e. from b12~b0.

For the HT56R642/HT56R644, the Table address location is 12 bits, i.e. from b11~b0.

For the HT56R62, the Table address location is 11 bits, i.e. from b10~b0.

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