MC68HC05E0 Datasheet, PDF(51/96 Page) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

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MC68HC05E0 Datasheet, PDF (51/96 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

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Table 5-2 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 register

$0000 AD7 AD6 AD5 AD4 AD3 AD2 AD1 AD0 0000 0000

Port B data register

$0001 BD7 BD6 BD5 BD4 BD3 BD2 BD1 BD0 0000 0000

Port C data register

$0002 CD7 CD6 CD5 CD4 CD3 CD2 CD1 CD0 0000 0000

Port D data register

Port E data register

$0003 DD7 DD6 DD5 DD4 DD3 DD2 DD1 DD0 0000 0000

$0004 1

1 ED3 ED2 ED1 ED0 1111 0000

Port A data direction register

$0005 AR7 AR6 AR5 AR4 AR3 AR2 AR1 AR0 0000 0000

Port B data direction register

$0006 BR7 BR6 BR5 BR4 BR3 BR2 BR1 BR0 0000 0000

Port C data direction register

$0007 CR7 CR6 CR5 CR4 CR3 CR2 CR1 CR0 0000 0000

Port D data direction register

$0008 DR7 DR6 DR5 DR4 DR3 DR2 DR1 DR0 0000 0000

Port E data direction register

$0009 1

1 ER3 ER2 ER1 ER0 1111 0000

Timer A prescaler register

$000A TA7 TA6 TA5 TA4 TA3 TA2 TA1 TA0 0000 0000

Timer B scaler register

$000B TB7 TB6 TB5 TB4 TB3 TB2 TB1 TB0 0000 0000

Timer control register

$000C SC1 SC0 PITX PITW 1 XROM CETB CETA 0000 1100

$000D

Interrupt control register

$000E WAKF INTXP INTFB INTFA INTFX INTMB INTMA INTMX 0000 0001

SI data register

$000F SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0 0000 0000

PortE/SI mode register

$0010 SIE CPHA CPOL WL BD1 BD0 PS1 PS0 0000 0000

SI S register

$0011

ACK

TFF/

DOIT

IRQ/

ACK

NMA

ST R/WB 0000 0000

PortD mode register

$0012 EA15 EA14 EA13 DM4 DM3 DM2 DM1 DM0 0000 0001

Wake-up enable register

$0013 WE7 WE6 WE5 WE74 WE3 WE2 WE1 WE0 0000 0000

Wake-up phase register

$0014 WP7 WP6 WP5 WP74 WP3 WP2 WP1 WP0 0000 0000

$0015

$0016

$0017

RTI control register

$0018

RTIF

RTIE

RT1 RT0 0000 0011

RTI counter register

$0019 TC7 TC6 TC5 TC4 TC3 TC2 TC1 TC0 0000 0000

MC68HC05E0

MEMORY AND ADDRESSING

MOTOROLA

5-5

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