6.32.1 Description

Calls to a subroutine within the entire program memory. The return address (to the instruction after the CALL) will be stored on the Stack. (See also RCALL.) The Stack Pointer uses a post-decrement scheme during CALL.

This instruction is not available on all devices. Refer to Appendix A.

Operation:

(i)

PC ← k Devices with 16-bit PC, 128 KB program memory maximum.

(ii)

PC ← k Devices with 22-bit PC, 8 MB program memory maximum.

Syntax:

Operands:

Program Counter:

Stack:

(i)

CALL k

0 ≤ k < 64K

PC ← k

STACK ← PC+2

SP ← SP-2, (2 bytes, 16 bits)

(ii)

CALL k

 0 ≤ k < 4M PC ← k

STACK ← PC+2

SP ← SP-3 (3 bytes, 22 bits)

32-bit Opcode:

1001010kkkkk111k
kkkkkkkkkkkkkkkk