MC68HC705J1ACDW Freescale Semiconductor, MC68HC705J1ACDW Datasheet - Page 70

• Manufacturer Part Number: MC68HC705J1ACDW
• Description: IC MCU 4MHZ 1.2K OTP 20-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705J1ACDW

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 14
• 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: 20-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -

Resets and Interrupts
4.3 Resets
Technical Data
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. These
sources can generate a reset:
RESET PIN
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Freescale Semiconductor, Inc.
V
DD
For More Information On This Product,
Power-on reset (POR) circuit
RESET pin
Computer operating properly (COP) watchdog
Illegal address
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Resets and Interrupts
POWER-ON RESET
ILLEGAL ADDRESS
COP WATCHDOG
Figure 4-1. Reset Sources
INTERNAL CLOCK
D
MC68HC705J1A — Rev. 4.0
CK
RESET
LATCH
S
Q
RST
TO CPU AND
PERIPHERAL
MODULES