MC68HC705C8ACP Freescale Semiconductor, MC68HC705C8ACP Datasheet - Page 35
MC68HC705C8ACP
Manufacturer Part Number
MC68HC705C8ACP
Description
IC MCU 4MHZ 8K OTP 40-DIP
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8ACFN.pdf
(222 pages)
Specifications of MC68HC705C8ACP
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
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC705C8ACP
Manufacturer:
MOTOROLA
Quantity:
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MC68HC705C8ACPE
Manufacturer:
ON
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2.1 Contents
2.2 Introduction
2.3 Memory Map
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data — MC68HC705C8A
2.2
2.3
2.4
2.5
2.6
2.7
This section describes the organization of the on-chip memory.
The central processor unit (CPU) can address eight Kbytes of memory
and input/output (I/O) registers. The program counter typically advances
one address at a time through memory, reading the program instructions
and data. The programmable read-only memory (PROM) portion of
memory — either one-time programmable read-only memory
(OTPROM) or erasable, programmable read-only memory
(EPROM) — holds the program instructions, fixed data, user-defined
vectors, and interrupt service routines. The random-access memory
(RAM) portion of memory holds variable data.
I/O registers are memory-mapped so that the CPU can access their
locations in the same way that it accesses all other memory locations.
The shared stack area is used during processing of an interrupt or
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Input/Output (I/O) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
EPROM/OTPROM (PROM) . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Bootloader ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Go to: www.freescale.com
Memory
Section 2. Memory
Technical Data
35
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