IN16C01 View Datasheet(PDF) - Integral Corp.
Part Name
Description
Manufacturer
IN16C01 Datasheet PDF : 8 Pages
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IN16C01
The data stack. The stack consists of internal stack memory (two fields of eight 16-bit
words) and the 'top' and 'next' registers: T and N.
Т
The 32-bit 'top' register of the data stack. The register is accessible as a 16-bit register (t
or %t) or a 32-bit register (Т). The register is always used as one of the ALU operands.
N
The 32-bit 'next' register of the data stack. The register is always used as the second ALU
operand and is employed for arithmetic operations.
The data, written into the data stack memory, are always taken from the N register. The
data, read from the data stack memory, are written into the N register. The N register can
be moved into the T register via the ALU. During the data stack push operation, the T
register can be written directly into the N register.
Move operations between the T and N registers and between the N register and the data
stack are independent from each other and can be executed simultaneously.
RS
The return stack. The stack consists of internal return stack memory of sixteen 24-bit
words and the RT register. The return stack is accessible via the RT register only.
RT
The 24-bit 'top' register of the return stack. During RT register read, the return stack can
be 'popped'. During RT register write, the return stack can be 'pushed'. The RT register is
used in subroutine calls and return from subroutine instructions, and to local variables
storing as well.
AS
The address stack. The stack consists of internal address stack memory of eight 24-bit
words and the AT register. The address stack is accessible via the AT register only.
AT
The 24-bit 'top' register of the address stack. The register stores variables' addresses.
During AT register read, the address stack can be 'popped'. During RT register write, the
address stack can be 'pushed'.
аsp, dsp, rsp
The address, data and return stacks' pointers. These registers are not accessible to
software.
L
The 16-bit instruction register.
РС
The 24-bit program counter.
CT
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