MAX1441 Datasheet, PDF(20/41 Page) Maxim Integrated Products – Automotive, Two-Channel Proximity and Touch Sensor

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MAX1441 Datasheet, PDF (20/41 Pages) Maxim Integrated Products – Automotive, Two-Channel Proximity and Touch Sensor

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Automotive, Two-Channel Proximity and

Touch Sensor

Table 5. Special-Purpose Register Bit Description (continued)

DP0 (03h, 0Fh)

Initialization

Read/Write Access

DP0[15:0]

DESCRIPTION

Data Pointer 0 (16-Bit Register)

This register is cleared to 0000h on all forms of reset.

Unrestricted read/write.

Data Pointer 0 Bits [15:0]. This register contains the data address for data memory access. The

contents of DP0 can be automatically incremented/decremented for read/write data-memory operation.

Special-Function Registers

All peripherals and operations that are not explicit

instructions in the device are controlled using special-

function registers (SFRs). These registers allow commu-

nication and data exchange between the CPU and the

peripherals. Normally, interaction between a peripheral

and the processor is initiated through the interrupt han-

dler. SFRs can be 8-bit or 16-bit registers and most of the

SFRs are accessible by user software (Tables 6, 7, 8). All

undefined or unallocated registers should be treated as

reserved registers.

Table 6. Special-Function Register Map Section I

MODULE

M[x] SPECIFIER

00000

00001

00010

00011

00100

00101

00000

PO0

AFEINTST

INDEX OF SPECIAL-FUNCTION REGISTER (SECTION I)

00001

00010

00011

00100

00101

00110

EIF0

EIE0

EIES0

TCON

TFRQ

TCNT

SCT

CRNG

WU1

WU2

FEL

00111

FEB

Table 7. Special-Function Register Map Section II

MODULE

M[x] SPECIFIER

00000

00001

00010

00011

00100

00101

01000

PI0

CRSLT1L

INDEX OF SPECIAL-FUNCTION REGISTER (SECTION II)

01001

01010

01011

01100 01101

PD0

TM2

CRSLT1H CRSLT2L CRSLT2H AT1H

RT1H

01110

AT2H

01111

BRKP

RT2H

Table 8. Special-Function Register Map (Section III)

MODULE

INDEX OF SPECIAL-FUNCTION REGISTER (SECTION III)

M[x] SPECIFIER 10000 10001 10010 10011 10100 10101 10110 10111 11000 11001 11010 11011 11100 11101 11110 11111

M0 00000 â â â â â â â LOCK ICDT0 ICDT1 ICDC ICDF ICDB ICDA ICDD â

M1 00001 CO1 CO2 DSB SSB2 AFEIE â â â â â â â â â â â

M2 00010 â â â â â â â â â â â â â â â â

M3 00011 â â â â â â â â â â â â â â â â

M4 00100 â â â â â â â â â â â â â â â â

M5 00101 â â â â â â â â â â â â â â â â

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