IC MCU 4MHZ 1.2K OTP 20-SOIC

MC68HC705J1ACDW

Manufacturer Part NumberMC68HC705J1ACDW
DescriptionIC MCU 4MHZ 1.2K OTP 20-SOIC
ManufacturerFreescale Semiconductor
SeriesHC05
MC68HC705J1ACDW datasheet
 


Specifications of MC68HC705J1ACDW

Core ProcessorHC05Core Size8-Bit
Speed4MHzPeripheralsPOR, WDT
Number Of I /o14Program Memory Size1.2KB (1.2K x 8)
Program Memory TypeOTPRam Size64 x 8
Voltage - Supply (vcc/vdd)3 V ~ 5.5 VOscillator TypeInternal
Operating Temperature-40°C ~ 85°CPackage / Case20-SOIC (7.5mm Width)
Lead Free Status / RoHS StatusContains lead / RoHS non-compliantEeprom Size-
Data Converters-Connectivity-
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Freescale Semiconductor, Inc.
2.4 Input/Output Register Summary
Addr.
Register Name
Read:
Port A Data Register
$0000
(PORTA)
Write:
See page 89.
Reset:
Read:
Port B Data Register
$0001
(PORTB)
Write:
See page 92.
Reset:
$0002
Unimplemented
$0003
Unimplemented
Read:
Data Direction Register A
$0004
(DDRA)
Write:
See page 90.
Reset:
Read:
Data Direction Register B
$0005
(DDRB)
Write:
See page 93.
Reset:
$0006
Unimplemented
$0007
Unimplemented
Read:
Timer Status and Control
$0008
Register (TSCR)
Write:
See page 112.
Reset:
Figure 2-2. I/O Register Summary (Sheet 1 of 3)
MC68HC705J1A — Rev. 4.0
For More Information On This Product,
Bit 7
6
5
4
PA7
PA6
PA5
PA4
Unaffected by reset
0
0
PB5
PB4
Unaffected by reset
DDRA7
DDRA6
DDRA5
DDRA4
0
0
0
0
0
0
DDRB5
DDRB4
0
0
0
0
TOF
RTIF
TOIE
RTIE
0
0
0
0
= Unimplemented
R = Reserved
Memory
Go to: www.freescale.com
Memory
Input/Output Register Summary
3
2
1
Bit 0
PA3
PA2
PA1
PA0
PB3
PB2
PB1
PB0
DDRA3
DDRA2
DDRA1
DDRA0
0
0
0
0
DDRB3
DDRB2
DDRB1
DDRB0
0
0
0
0
0
0
RT1
RT0
TOFR
RTIFR
0
0
1
1
Technical Data