MC68HC705KJ1CDW Freescale Semiconductor, MC68HC705KJ1CDW Datasheet - Page 71
MC68HC705KJ1CDW
Manufacturer Part Number
MC68HC705KJ1CDW
Description
IC MCU 4MHZ 1.2K OTP 16-SOIC
Manufacturer
Freescale Semiconductor
Series
HC05r
Datasheet
1.MCHRC705KJ1CDWE.pdf
(108 pages)
Specifications of MC68HC705KJ1CDW
Core Processor
HC05
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
10
Program Memory Size
1.2KB (1.2K x 8)
Program Memory Type
OTP
Ram Size
64 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-SOIC (0.300", 7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC705KJ1CDW
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Chapter 8
Resets and Interrupts
8.1 Introduction
Reset initializes the MCU by returning the program counter to a known address and by forcing control and
status bits to known states.
Interrupts temporarily change the sequence of program execution to respond to events that occur during
processing.
8.2 Resets
A reset immediately stops the operation of the instruction being executed, initializes certain control and
status bits, and loads the program counter with a user-defined reset vector address. The following
sources can generate a reset:
Freescale Semiconductor
•
•
•
•
Power-on reset (POR) circuit
RESET pin
Computer operating properly (COP) watchdog
Illegal address
RESET PIN
V
DD
MC68HC705KJ1 • MC68HRC705KJ1 • MC68HLC705KJ1 Data Sheet, Rev. 4.1
ILLEGAL ADDRESS
POWER-ON RESET
COP WATCHDOG
Figure 8-1. Reset Sources
INTERNAL CLOCK
D
CK
RESET
LATCH
S
Q
RST
TO CPU AND
PERIPHERAL
MODULES
71
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