MC68HC05L28 Datasheet, PDF(42/156 Page) Motorola, Inc – Flexible general-purpose microcomputer

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MC68HC05L28 Datasheet, PDF (42/156 Pages) Motorola, Inc – Flexible general-purpose microcomputer

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Table 3-2 Register outline

Address bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

State on

Reset

Port A data (PORTA)

Port B data (PORTB)

$0000

$0001

unaffected

Reserved

$0002

Reserved

$0003

Port A data direction (DDRA)

$0004 DDRA7 DDRA6 DDRA5 DDRA4 DDRA3 DDRA2 DDRA1 DDRA0 0000 0000

Port B data direction (DDRB)

$0005 DDRB7 DDRB6 DDRB5 DDRB4 DDRB3 DDRB2 DDRB1 DDRB0 0000 0000

Reserved

$0006

Reserved

$0007

Core timer control/status (CTCSR)

$0008 CTOF RTIF CTOFE RTIE

RT1 RT0 0000 0011

Core timer counter (CTCR)

$0009

0000 0000

IRQ1

$000A

IRQ1INT IRQ1ENA IRQ1LV IRQ1EDGIRQ1RSTIRQ1VAL ??00 000?

IRQ2

$000B

IRQ2INT IRQ2ENA IRQ2LV IRQ2EDGIRQ2RSTIRQ2VAL ??00 000?

Reserved

$000C

unaffected

Reserved

$000D

unaffected

Reserved

$000E

unaffected

Reserved

I2C address (MADR)

I2C frequency divide (FDR)

I2C control (MCR)

I2C status (MSR)

I2C data (MDR)

$000F

$0010

$0011

$0012

$0013

$0014

unaffected

ADR7 ADR6 ADR5 ADR4 ADR3 ADR2 ADR1

0000 000?

MBC4 MBC3 MBC2 MBC1 MBC0 ???0 0000

MEN MIEN MSTA MTX TXAK MMUX

0000 00??

MCF MAAS MBB MAL

SRW MIF RXAK 1000 ?001

TRXD7 TRXD6 TRXD5 TRXD4 TRXD3 TRXD2 TRXD1 TRXD0 uuuu uuuu

A/D status control (ADSTAT)

$0015 COCO ADRC ADON

CH3 CH2 CH1 CH0 0000 0000

A/D input (ADIN)

$0016

AD1 AD0 uuuu uuuu

A/D data (ADDATA)

$0017

uuuu uuuu

Reserved

$0018

Reserved

$0019

Reserved

$001A

EEPROM program (EEPROG)

EPROM program (PCR) (1)

$001B

$001C

CPEN

ER1 ER0 LATCH EERC EEPGM ?000 0000

ELAT PGM uuuu uu00

Option (OPT)

$001D

IRQED COPON ???? ?100

LCD control (LCD)

$001E

VLCDON

FDISP MUX4 MUX3 DISON ?000 0000

Reserved

$001F

Input capture 1 high (IC1H)

$0020

uuuu uuuu

Input capture 1 low(IC1L)

$0021

uuuu uuuu

Output compare 1 high(OC1H)

$0022

uuuu uuuu

Output compare 1 low (OC1L)

$0023

uuuu uuuu

Input capture 2 high (IC2H)

$0024

uuuu uuuu

Input capture 2 low (IC2L)

$0025

uuuu uuuu

Output compare 2 high (OC2H)

$0026

uuuu uuuu

Output compare 2 low (OC2L)

$0027

uuuu uuuu

MOTOROLA

3-6

MEMORY AND REGISTERS

TPG

MC68HC05L28

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