MC68HC705J1ACDW Freescale Semiconductor, MC68HC705J1ACDW Datasheet - Page 34

IC MCU 4MHZ 1.2K OTP 20-SOIC

MC68HC705J1ACDW

Manufacturer Part Number
MC68HC705J1ACDW
Description
IC MCU 4MHZ 1.2K OTP 20-SOIC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705J1ACDW

Core Processor
HC05
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
14
Program Memory Size
1.2KB (1.2K x 8)
Program Memory Type
OTP
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Connectivity
-

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Memory
2.3 Memory Map
Technical Data
$07CF
$07ED
$07EE
$001F
$00BF
$00C0
$00FF
$02FF
$07D0
$07EF
$07F0
$07FF
$0000
$0020
$0100
$0300
(1)
Writing to bit 0 of $07F0 clears the computer
operating properly (COP) watchdog.
Registers and EPROM
Unimplemented
Unimplemented
Unimplemented
I/O Registers
1232 Bytes
Test ROM
160 Bytes
512 Bytes
32 Bytes
64 Bytes
30 Bytes
16 Bytes
EPROM
2 Bytes
RAM
Freescale Semiconductor, Inc.
For More Information On This Product,
Figure 2-1. Memory Map
Go to: www.freescale.com
Memory
Timer Status and Control Register (TSCR)
EPROM Programming Register (EPROG)
IRQ Status and Control Register (ISCR)
Data Direction Register A (DDRA)
Data Direction Register B (DDRB)
Pulldown Register Port A (PDRA)
Pulldown Register Port B (PDRB)
Port A Data Register (PORTA)
Port B Data Register (PORTB)
Software Interrupt Vector High
External Interrupt Vector High
Software Interrupt Vector Low
Timer Control Register (TCR)
Mask Option Register (MOR)
External Interrupt Vector Low
Timer Interrupt Vector High
Timer Interrupt Vector Low
COP Register (COPR)
Reset Vector High
Reset Vector Low
Unimplemented
Unimplemented
Unimplemented
Unimplemented
Unimplemented
Reserved
Reserved
MC68HC705J1A — Rev. 4.0
(1)
$07FC
$07FD
$000A
$000B
$001E
$07FA
$07FB
$07FE
$07FF
$0000
$0001
$0002
$0003
$0004
$0005
$0006
$0007
$0008
$0009
$000F
$0010
$0011
$0012
$0017
$0018
$0019
$001F
$07F0
$07F1
$07F2
$07F7
$07F8
$07F9

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