HC705C9AGRSSLASHD datasheet(36/157 Pages) NXP

36 / 157 page

General Release Speciﬁcation

RAM

MC68HC705C9A — Rev. 2.0

Memory

Figure 2-2. C12A Memory Map

PORT A DATA REGISTER

PORT B DATA REGISTER

PORT C DATA REGISTER

PORT D DATA REGISTER

PORT A DATA DIRECTION REGISTER

PORT B DATA DIRECTION REGISTER

PORT C DATA DIRECTION REGISTER

UNUSED

SPI CONTROL REGISTER

SPI STATUS REGISTER

SPI DATA REGISTER

SCI BAUD RATE REGISTER

SCI CONTROL REGISTER 1

SCI CONTROL REGISTER 2

SCI STATUS REGISTER

SCI DATA REGISTER

TIMER CONTROL REGISTER

TIMER STATUS REGISTER

INPUT CAPTURE REGISTER (HIGH)

UNUSED

SPI VECTOR (HIGH)

SPI VECTOR (LOW)

SCI VECTOR (HIGH)

SCI VECTOR (LOW)

TIMER VECTOR (HIGH)

TIMER VECTOR (LOW)

IRQ VECTOR (HIGH)

IRQ VECTOR (LOW)

SWI VECTOR (HIGH)

SWI VECTOR (LOW)

RESET VECTOR (HIGH BYTE)

RESET VECTOR (LOW BYTE)

$0000

$0001

$0002

$0003

$0004

$0005

$0006

$0007

$0008

$0009

$000A

$000B

$000C

$000D

$000E

$000F

$0010

$0012

$0011

$0013

$0019

$001A

$001B

$001C

$3FF2

$3FF4

$3FF3

$3FF5

$3FF6

$3FF7

$3FF8

I/O REGISTERS

32 BYTES

$0000

$001F

$0020

$004F

$0050

RAM

176 BYTES

$00FF

$0100

USER EPROM

12,032 BYTES

USER EPROM VECTORS

$3FFF

14 BYTES

$0014

INPUT CAPTURE REGISTER (LOW)

OUTPUT COMPARE REGISTER (HIGH)

OUTPUT COMPARE REGISTER (LOW)

TIMER COUNTER REGISTER (HIGH)

$3FF9

$3FFB

$3FFA

$3FFC

$3FFD

$3FFE

$3FFF

TIMER COUNTER REGISTER (LOW)

$0015

$0016

$0017

$0018

$001D

$001E

$001F

ALTERNATE COUNTER REGISTER (HIGH)

ALTERNATE COUNTER REGISTER (LOW)

UNUSED

$3FF2

$3EFF

$3F00

(STACK)

64 BYTES

BOOTLOADER

ROM

AND VECTORS

240 BYTES

$00BF

$00C0

$3FF1

$3FF0

USER EPROM

48 BYTES

MASK OPTION REGISTER/C12 COP REGISTER

UNUSED

3840 BYTES

$0FFF

$1000

MASK OPTION REGISTER

UNUSED

$3FEF

MASK OPTION REGISTERS

$3FF0

$3FF1

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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