MC68HC705 MOTOROLA [Motorola, Inc], MC68HC705 Datasheet - Page 68
![no-image](/images/no-image-200.jpg)
MC68HC705
Manufacturer Part Number
MC68HC705
Description
HCMOS Microcontroller Unit
Manufacturer
MOTOROLA [Motorola, Inc]
Datasheet
1.MC68HC705.pdf
(222 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC705
Manufacturer:
MOTOROLA
Quantity:
9 066
Company:
Part Number:
MC68HC705B16
Manufacturer:
MOT
Quantity:
5 510
Company:
Part Number:
MC68HC705B16
Manufacturer:
OMRON
Quantity:
5 510
Part Number:
MC68HC705B16
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
Company:
Part Number:
MC68HC705B16CFN
Manufacturer:
MOT
Quantity:
5 510
Part Number:
MC68HC705B16CFN
Manufacturer:
FREESCALE
Quantity:
20 000
Company:
Part Number:
MC68HC705B16NCFN
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68HC705B5B
Manufacturer:
MOTOROLA
Quantity:
20 000
Low-Power Modes
Technical Data
68
NO
INTERRUPT
EXTERNAL
(IRQ)
YES
NO
1. FETCH RESET VECTOR
2. SERVICE INTERRUPT:
Figure 6-1. Stop/Wait Mode Function Flowchart
TURN ON OSCILLATOR
a. STACK
b. SET I BIT
c. VECTOR TO
DELAY TO STABILIZE
During stop mode, the I bit in the condition code register (CCR) is
cleared to enable external interrupts. All other registers and memory
remain unaltered. All input/output (I/O) lines remain unchanged. The
processor can be brought out of stop mode only by an external interrupt
or reset.
STOP OSCILLATOR
AND ALL CLOCKS
INTERRUPT ROUTINE
WAIT FOR TIME
CLEAR I BIT
RESET
STOP
OR
YES
Low-Power Modes
1. FETCH RESET VECTOR
2. SERVICE INTERRUPT:
CPU CLOCKS STOPPED
RESTART CPU CLOCK
a. STACK
b. SET I BIT
c. VECTOR TO
OSCILLATOR ACTIVE
TIMER, SCI, AND SPI
INTERRUPT ROUTINE
CLOCKS ACTIVE
CLEAR I BIT
RESET
WAIT
OR
YES
INTERRUPT
NO
EXTERNAL
(IRQ)
YES
YES
YES
YES
MC68HC705C8A — Rev. 2.0
INTERNAL TIMER
INTERNAL SCI
INTERNAL SPI
INTERRUPT
INTERRUPT
INTERRUPT
NO
NO
NO
MOTOROLA
NO