PFS154 datasheet(73/91 Pages) PADAUK

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PFS154

8bit MTP Type IO Controller

Page 73 of 91

PDK-DS-PFS154_CN_V105 –Jun. 9, 2020

stt16

word

Store 16-bit data from memory in word to Timer16.

Example:

stt16

word;

Result:

16-bit timer ←word

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

Application Example:

------------------------------------------------------------------------------------------------------------------------

word

T16val ;

// declare a RAM word

…

mov

a, 0x34 ;

mov

lb@ T16val , a ;

// move 0x34 to T16val (LSB)

mov

a, 0x12 ;

mov

hb@ T16val , a ;

// move 0x12 to T16val (MSB)

stt16

T16val ;

// initial T16 with 0x1234

…

----------------------------------------------------------------------------------------------------------------------

idxm

a, index

Move data from specified memory to ACC by indirect method. It needs 2T to execute this

instruction.

Example:

idxm

a, index;

Result:

a ← [index], where index is declared by word.

Affected flags: 『N』Z

『N』C

『N』AC

『N』OV

Application Example:

-----------------------------------------------------------------------------------------------------------------------

word

RAMIndex ;

// declare a RAM pointer

…

mov

a, 0x5B ;

// assign pointer to an address (LSB)

mov

lb@RAMIndex, a ;

// save pointer to RAM (LSB)

mov

a, 0x00 ;

// assign 0x00 to an address (MSB), should be 0

mov

hb@RAMIndex, a ;

// save pointer to RAM (MSB)

…

idxm

a, RAMIndex ;

// move memory data in address 0x5B to ACC

------------------------------------------------------------------------------------------------------------------------

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