MC705P6ECPE Freescale Semiconductor, MC705P6ECPE Datasheet - Page 34

• Manufacturer Part Number: MC705P6ECPE
• Description: IC MCU 8BIT EPROM 28-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC705P6ECPE

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SIO
• Peripherals: POR, WDT
• Number Of I /o: 21
• Program Memory Size: 4.5KB (4.5K x 8)
• Program Memory Type: OTP
• Ram Size: 176 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 4x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Processor Series: HC705P
• Core: HC05
• Data Bus Width: 8 bit
• Data Ram Size: 176 B
• Interface Type: SIOP
• Maximum Clock Frequency: 4.2 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 1
• Operating Supply Voltage: - 0.3 V to + 7 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 4 Channel
• On-chip Dac: 8 bit, 4 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Interrupts
34
Y
EXECUTE INSTRUCTION
INSTRUCTION?
INSTRUCTION?
INSTRUCTION
FROM RESET
INTERRUPT?
FETCH NEXT
INTERRUPT?
IS I BIT
SET?
TIMER
N
N
N
N
IRQ
SWI
RTI
MC68HC705P6A Advance Information Data Sheet, Rev. 2.1
N
Figure 5-1. Interrupt Processing Flowchart
Y
Y
Y
Y
CLEAR IRQ
REQUEST
LATCH
TIMER: $1FF8-$1FF9
RESTORE RESISTERS
SWI: $1FFC, $1FFD
IRQ: $1FFA-$1FFB
LOAD PC FROM:
I BIT IN CCR
PC, X, A, CC
FROM STACK
CC, A, X, PC
STACK
SET
Freescale Semiconductor