MCHC705JJ7CPE Freescale Semiconductor, MCHC705JJ7CPE Datasheet - Page 51

• Manufacturer Part Number: MCHC705JJ7CPE
• Description: IC MCU 8BIT 224 BYTES RAM 20PDIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MCHC705JJ7CPE

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SIO
• Peripherals: POR, Temp Sensor, WDT
• Number Of I /o: 14
• 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: 20-DIP (0.300", 7.62mm)
• Processor Series: HC705JJ
• Core: HC05
• Data Bus Width: 8 bit
• Data Ram Size: 224 B
• Interface Type: SIOP
• Maximum Clock Frequency: 2.1 MHz
• Number Of Programmable I/os: 14
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 12 bit, 4 Channel
• Package: 20PDIP
• Family Name: HC05
• Maximum Speed: 2.1 MHz
• Operating Supply Voltage: 3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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
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