MC68HC705J1ACDW Freescale Semiconductor, MC68HC705J1ACDW Datasheet - Page 16

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
-
Freescale Semiconductor, Inc.
List of Figures
Figure
4-3
4-4
4-5
4-6
4-7
5-1
5-2
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
7-1
8-1
8-2
8-3
8-4
9-1
9-2
9-3
9-4
Technical Data
Title
External Reset Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
External Interrupt Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Interrupt Stacking Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Interrupt Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Stop Mode Recovery Timing . . . . . . . . . . . . . . . . . . . . . . . .85
Stop/Halt/Wait Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Parallel I/O Port Register Summary . . . . . . . . . . . . . . . . . . . 88
Port A Data Register (PORTA). . . . . . . . . . . . . . . . . . . . . . . 89
Data Direction Register A (DDRA) . . . . . . . . . . . . . . . . . . . .90
Port A I/O Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Pulldown Register A (PDRA) . . . . . . . . . . . . . . . . . . . . . . . .91
Port B Data Register (PORTB). . . . . . . . . . . . . . . . . . . . . . . 92
Data Direction Register B (DDRB) . . . . . . . . . . . . . . . . . . . .93
Port B I/O Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Pulldown Register B (PDRB) . . . . . . . . . . . . . . . . . . . . . . . .94
COP Register (COPR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99
IRQ Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . 102
Interrupt Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . 106
External Interrupt Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Multifunction Timer Block Diagram. . . . . . . . . . . . . . . . . . .110
I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Timer Status and Control Register (TSCR) . . . . . . . . . . . . 112
Timer Counter Register (TCR) . . . . . . . . . . . . . . . . . . . . . . 114
List of Figures
For More Information On This Product,
Go to: www.freescale.com
Page
MC68HC705J1A — Rev. 4.0

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