SN8P1602AX datasheet(32/94 Pages) SONIX

32 / 94 page

SN8P1600

8-bit micro-controller

SONiX TECHNOLOGY CO., LTD

Page 32

Revision 1.94

PROGRAM COUNTER

The program counter (PC) is a 10-bit binary counter separated into the high-byte 2 bits and the low-byte 8 bits. This

counter is responsible for pointing a location in order to fetch an instruction for kernel circuit. Normally, the program

counter is automatically incremented with each instruction during program execution.

Besides, it can be replaced with specific address by executing CALL or JMP instruction. When JMP or CALL

instruction is executed, the destination address will be inserted to bit 0 ~ bit 9.

SN8P1602/SN8P1603

Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

PC9

PC8

PC7

PC6

PC5

PC4

PC3

PC2

PC1

PC0

After

reset

PCH

PCL

SN8P1604

Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9

Bit 8

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

PC11 PC10 PC9

PC8

PC7

PC6

PC5

PC4

PC3

PC2

PC1

PC0

After

reset

PCH

PCL

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