MC68HC705C8AFNE Freescale Semiconductor, MC68HC705C8AFNE Datasheet - Page 24
MC68HC705C8AFNE
Manufacturer Part Number
MC68HC705C8AFNE
Description
IC MCU 8BIT 44-PLCC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MC68HC705C8AB.pdf
(222 pages)
Specifications of MC68HC705C8AFNE
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
44-PLCC
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
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
0 C
On-chip Adc
8 bit
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:
MC68HC705C8AFNE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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General Description
1.5 Block Diagram
Technical Data
24
RAM0 — Random-Access Memory Control Bit 0
RAM1 — Random-Access Memory Control Bit 1
SEC — Security Bit
IRQ — Interrupt Request Pin Sensitivity Bit
Bits 5, 4, and 0 — Not used; always read 0
Bit 2 — Unaffected by reset; reads either 1 or 0
Figure 1-2
This bit is implemented as an erasable, programmable read-only
memory (EPROM) cell and is not affected by reset.
IRQ is set only by reset, but can be cleared by software. This bit can
be written only once.
Freescale Semiconductor, Inc.
For More Information On This Product,
1 = Maps 32 bytes of RAM into page zero starting at address
0 = Provides 48 bytes of PROM at location $0020–$005F.
1 = Maps 96 bytes of RAM into page one starting at address $0100.
0 = Provides 96 bytes of PROM at location $0100.
1 = Bootloader disabled; MCU operates only in single-chip mode
0 = Security off; bootloader can be enabled
1 = IRQ pin is both negative edge- and level-sensitive.
0 = IRQ pin is negative edge-sensitive only.
$0030. Addresses from $0020 to $002F are reserved. This bit
can be read or written at any time, allowing memory
configuration to be changed during program execution.
This bit can be read or written at any time, allowing memory
configuration to be changed during program execution.
shows the structure of the MC68HC705C8A.
Go to: www.freescale.com
General Description
MC68HC705C8A — Rev. 3
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