MC68HC05E0 Datasheet, PDF(52/96 Page) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

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MC68HC05E0 Datasheet, PDF (52/96 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit

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$0000

$0020

MC68HC05E0

Registers

(32 bytes)

Stack

$00FF

$0100

Internal

RAM

(480 bytes)

$01FF

$0200

$1FFF

$2000

$2FFF

$3000

External

RAM

(CS2)

External I/O

(CS3)

External ROM

(CSROM)

$FFF3

$FFF4

$FFFF

User vectors

(12 bytes)

Registers

Port A data register

$00

Port B data register

$01

Port C data register

$02

Port D data register

$03

Port E data register

$04

Port A data direction register

$05

Port B data direction register

$06

Port C data direction register

$07

Port D data direction register

$08

Port E data direction register

$09

Timer A prescaler register

$0A

Timer B scaler register

$0B

Timer control register

$0C

$0D

Interrupt control register

$0E

SI data register

$0F

PortE/SI mode register

$10

SI S register

$11

Port D mode register

$12

Wake-up enable register

$13

Wake-up phase register

$14

$15

$16

$17

RTI control register

$18

RTI counter register

$19

$1A

$1B

$1C

$1D

$1E

$1F

SPI/I2C (High byte)

SPI/I2C (Low byte)

Timer B (High byte)

Timer B (Low byte)

Timer A (High byte)

Timer A (Low byte)

IRQB (High byte)

IRQB (Low byte)

SWI (High byte)

SWI (Low byte)

RESET (High byte)

RESET (Low byte)

$1FF4

$1FF5

$1FF6

$1FF7

$1FF8

$1FF9

$1FFA

$1FFB

$1FFC

$1FFD

$1FFE

$1FFF

Figure 5-3 Memory map of the MC68HC05E0

MOTOROLA

5-6

MEMORY AND ADDRESSING

MC68HC05E0

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