HC705P6AGRSSLASHD datasheet(24/134 Pages) NXP

24 / 134 page

Memory

General Release Specification

MC68HC705P6A — Rev. 1.0

Memory

Figure 2-1. MC68HC705P6A User Mode Memory Map

2.4 Bootloader Mode Memory Map

Memory space is identical to the user mode. See Figure 2-1.

$1F01

7937

Mask Option Registers

Bootloader ROM

and Vectors 239 Bytes

Reset Vector (Low Byte)

Reset Vector (High Byte)

SWI Vector (Low Byte)

SWI Vector (High Byte)

IRQ Vector (Low Byte)

IRQ Vector (High Byte)

Timer Vector (Low Byte)

Timer Vector (High Byte)

Unused

$1FF6

$1FF7

$1FF8

$1FF9

$1FFA

$1FFB

$1FFC

$1FFD

$1FFE

$1FFF

Unused

$1FF5

Unused

$1FF4

Unused

$1FF3

Unused

$1FF2

Unused

$1FF1

COP Clear Register*

$1FF0

$001F

$0000

$0100

$00FF

0255

0256

Stack

64 Bytes

Internal RAM

176 Bytes

I/O

32 Bytes

User Vectors EPROM

16 Bytes

8191

8176

8175

7936

7935

4864

4863

0192

0191

0080

0079

0032

0031

0000

$1FFF

$1FF0

$1FEF

$1F00

$1EFF

$1300

$12FF

$00C0

$00BF

$0050

$004F

$0020

$001F

$0000

Unimplemented

3071 Bytes

User EPROM

4608 Bytes

User EPROM

48 Bytes

I/O Registers

See Figure 2-2

$1EFE

7934

*Writing zero to bit 0 of $1FF0 clears the COP watchdog timer. Reading $1FF0 returns user EPROM data

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

HC705P6AGRS/D Datasheet(PDF) 24 Page - NXP Semiconductors

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