Mixed-Signal Microcontroller with Analog

Comparators, LCD, and RTC

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11

Table 1. System Register Map

MODULE NAME (BASE SPECIFIER)

REGISTER

INDEX

AP

(8h)

A

(9h)

PFX

(Bh)

IP

(Ch)

SP

(Dh)

DPC

(Eh)

DP

(Fh)

0h

AP

A[0]

PFX

IP

—

—

—

1h

APC

A[1]

—

—

SP

—

—

2h

—

A[2]

—

—

IV

—

—

3h

—

A[3]

—

—

—

Offs

DP[0]

4h

PSF

A[4]

—

—

—

DPC

—

5h

IC

A[5]

—

—

—

GR

—

6h

IMR

A[6]

—

—

LC[0]

GRL

—

7h

—

A[7]

—

—

LC[1]

BP

DP[1]

8h

SC

A[8]

—

—

—

GRS

—

9h

—

A[9]

—

—

—

GRH

—

Ah

—

A[10]

—

—

—

GRXL

—

Bh

IIR

A[11]

—

—

—

BP[offs]

—

Ch

—

A[12]

—

—

—

—

—

Dh

—

A[13]

—

—

—

—

—

Eh

CKCN

A[14]

—

—

—

—

—

Fh

WDCN

A[15]

—

—

—

—

—

Note: Names that appear in italics indicate that all bits of a register are read-only. Names that appear in bold indicate that a register

is 16 bits wide. Registers in module AP are bit addressable.