HT46R016 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT46R016

Enhanced A/D Type 8-Bit OTP MCU

Holtek Semiconductor 

HT46R016/HT46R017

Enhanced A/D 8-Bit OTP MCU

Table Location Bits

Instruction

b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0

TABRDC [m] PC10 PC9 PC8 @7 @6 @5 @4 @3 @2 @1 @0

TABRDL [m]

1

1

1 @7 @6 @5 @4 @3 @2 @1 @0

Table Location

Note: PC10~PC8: Current Program Counter bits

@7~@0: Table Pointer TBLP bits

For the HT46R016, the Table address location is 10 bits, i.e. from b9~b0.

For the HT46R017, the Table address location is 11 bits, i.e. from b10~b0.

Table Read Program Example:

tempreg1 db ?

; temporary register #1

tempreg2 db ?

; temporary register #2

:

:

mov a,06h

; initialise table pointer – note that this address

; is referenced

mov tblp, a

; to the last page or present page

:

:

tabrdl tempreg1 ; transfers value in table referenced by table pointer

; to tempreg1 data at prog.memory address “306H”

; transferred to to tempreg1 and TBLH

dec tblp

; reduce value of table pointer by one

tabrdl tempreg2 ; transfers value in table referenced by table pointer

; to tempreg2 data at prog.memory address “305H”

; transferred to tempreg2 and TBLH in this example the

; data “1AH” is transferred to tempreg1 and data “0FH”

; to register tempreg2 the value “00H” will be

; transferred to the high byte register TBLH

:

:

org 300h

; sets initial address of last page

dc 00Ah, 00Bh, 00Ch, 00Dh, 00Eh, 00Fh, 01Ah, 01Bh

:

:

Rev. 1.00

17

July 16, 2012

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