MC705C8ABE Freescale Semiconductor, MC705C8ABE Datasheet - Page 70
![IC MCU 8BIT 42-SDIP](/photos/39/70/397054/pdip42_sml.jpg)
MC705C8ABE
Manufacturer Part Number
MC705C8ABE
Description
IC MCU 8BIT 42-SDIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC705C8ABE
Core Processor
HC05
Core Size
8-Bit
Speed
2.1MHz
Connectivity
SCI, SPI
Peripherals
POR, WDT
Number Of I /o
24
Program Memory Size
8KB (8K x 8)
Program Memory Type
OTP
Ram Size
304 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
42-DIP (0.600", 15.24mm)
Processor Series
HC705C
Core
HC05
Data Bus Width
8 bit
Data Ram Size
304 B
Interface Type
SCI, SPI
Maximum Clock Frequency
2.1 MHz
Number Of Programmable I/os
24
Number Of Timers
1
Mounting Style
Through Hole
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC705C8ABE
Manufacturer:
Freescale Semiconductor
Quantity:
135
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Low-Power Modes
Technical Data
70
NO
INTERRUPT
EXTERNAL
(IRQ)
YES
NO
2. SERVICE INTERRUPT:
1. FETCH RESET VECTOR
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
Freescale Semiconductor, Inc.
RESET
STOP
For More Information On This Product,
OR
YES
Go to: www.freescale.com
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
CLOCKS ACTIVE
INTERRUPT ROUTINE
CLEAR I BIT
RESET
WAIT
OR
YES
INTERRUPT
NO
EXTERNAL
(IRQ)
YES
YES
YES
YES
MC68HC705C8A — Rev. 3
INTERNAL TIMER
INTERNAL SCI
INTERNAL SPI
INTERRUPT
INTERRUPT
INTERRUPT
NO
NO
NO
NO
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