MC68HC705JP7CDW Freescale Semiconductor, MC68HC705JP7CDW Datasheet - Page 51

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MC68HC705JP7CDW

Manufacturer Part Number
MC68HC705JP7CDW
Description
IC MCU 8BIT 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet

Specifications of MC68HC705JP7CDW

Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SIO
Peripherals
POR, Temp Sensor, WDT
Number Of I /o
22
Program Memory Size
6KB (6K x 8)
Program Memory Type
OTP
Ram Size
224 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Freescale Semiconductor
CLEAR CTOF, RTIF, CTOFE, AND RTIE BITS IN TSCR.
TURN OFF INTERNAL LOW-POWER OSCILLATOR.
1. LOAD PC WITH RESET VECTOR
2. SERVICE INTERRUPT.
a. SAVE CPU REGISTERS ON STACK.
b. SET I BIT IN CCR.
c. LOAD PC WITH INTERRUPT VECTOR.
CLEAR ICIE, OCIE, AND TOIE BITS IN TCR.
CLEAR ICF, OCF, AND TOF BITS IN TSR.
DISABLE EXTERNAL PIN OSCILLATOR.
RESET STABILIZATION DELAY TIMER.
TURN ON SELECTED OSCILLATOR.
YES
MC68HC705JJ7 • MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
SET IRQE BIT IN ISCR.
TURN ON CPU CLOCK.
CLEAR I BIT IN CCR.
IN MOR SET?
STABILIZATION
INTERRUPT?
OR
EXTERNAL
EXTERNAL
SWAIT BIT
RESET?
END OF
DELAY?
STOP
NO
NO
NO
NO
Figure 6-2. Stop/Wait/Halt Flowchart
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
TURN OFF CPU CLOCK.
KEEP OTHER MODULE
SET IRQE BIT IN ISCR.
CLEAR I BIT IN CCR.
CLOCKS ACTIVE.
INTERRUPT?
INTERRUPT?
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
INTERRUPT?
RESET?
ANALOG
RESET?
TIMER
PROG.
TIMER
CORE
HALT
SIOP
COP
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
TURN OFF CPU CLOCK.
KEEP OTHER MODULE
SET IRQE BIT IN ISCR.
CLEAR I BIT IN CCR.
CLOCKS ACTIVE.
INTERRUPT?
INTERRUPT?
EXTERNAL
EXTERNAL
INTERRUPT?
INTERRUPT?
INTERRUPT?
ANALOG
RESET?
RESET?
WAIT
TIMER
PROG.
TIMER
CORE
SIOP
COP
Low-Power Modes
NO
NO
NO
NO
NO
NO
NO
51

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