MC705C8ABE Freescale Semiconductor, MC705C8ABE Datasheet - Page 61
![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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5.1 Contents
5.2 Introduction
5.3 Reset Sources
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data — MC68HC705C8A
5.2
5.3
5.3.1
5.3.2
5.3.3
5.3.3.1
5.3.3.2
5.3.4
This section describes how resets initialize the microcontroller unit
(MCU).
A reset immediately stops the operation of the instruction being
executed, initializes certain control bits, and loads the program counter
with a user-defined reset vector address. These conditions produce a
reset:
•
•
•
•
•
Freescale Semiconductor, Inc.
For More Information On This Product,
Power-on reset (POR) — Initial power-up
External reset — A logic 0 applied to the RESET pin
Internal programmable computer operating properly (COP)
watchdog timer reset
Internal non-programmable COP watchdog timer reset
Internal clock monitor reset
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Reset Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Power-On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
External Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Programmable and Non-Programmable
Clock Monitor Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Programmable COP Watchdog Reset . . . . . . . . . . . . . . .63
Non-Programmable COP Watchdog . . . . . . . . . . . . . . . . 66
Go to: www.freescale.com
COP Watchdog Resets . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Resets
Section 5. Resets
Technical Data
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