MC9S08DV60ACLC Freescale Semiconductor, MC9S08DV60ACLC Datasheet - Page 70
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MC9S08DV60ACLC
Manufacturer Part Number
MC9S08DV60ACLC
Description
IC MCU 60K FLASH 3K RAM 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Specifications of MC9S08DV60ACLC
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
25
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
3K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Processor Series
S08DV
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
3 KB
Interface Type
CAN, I2C, SCI, SPI
Number Of Programmable I/os
26
Operating Supply Voltage
5.5 V
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08DZ60
On-chip Adc
12 bit, 10 channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08DV60ACLC
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 5 Resets, Interrupts, and General System Control
5.5.1
Figure 5-1
(SP) points at the next available byte location on the stack. The current values of CPU registers are stored
on the stack starting with the low-order byte of the program counter (PCL) and ending with the CCR. After
stacking, the SP points at the next available location on the stack which is the address that is one less than
the address where the CCR was saved. The PC value that is stacked is the address of the instruction in the
main program that would have executed next if the interrupt had not occurred.
When an RTI instruction is executed, these values are recovered from the stack in reverse order. As part of
the RTI sequence, the CPU fills the instruction pipeline by reading three bytes of program information,
starting from the PC address recovered from the stack.
The status flag corresponding to the interrupt source must be acknowledged (cleared) before returning
from the ISR. Typically, the flag is cleared at the beginning of the ISR so that if another interrupt is
generated by this same source, it will be registered so it can be serviced after completion of the current ISR.
5.5.2
External interrupts are managed by the IRQ status and control register, IRQSC. When the IRQ function is
enabled, synchronous logic monitors the pin for edge-only or edge-and-level events. When the MCU is in
stop mode and system clocks are shut down, a separate asynchronous path is used so the IRQ (if enabled)
can wake the MCU.
5.5.2.1
The IRQ pin enable (IRQPE) control bit in IRQSC must be 1 in order for the IRQ pin to act as the interrupt
request (IRQ) input. As an IRQ input, the user can choose the polarity of edges or levels detected
(IRQEDG), whether the pin detects edges-only or edges and levels (IRQMOD), and whether an event
causes an interrupt or only sets the IRQF flag which can be polled by software.
70
shows the contents and organization of a stack frame. Before the interrupt, the stack pointer
Interrupt Stack Frame
External Interrupt Request (IRQ) Pin
Pin Configuration Options
STACKING
ORDER
UNSTACKING
5
4
3
2
1
ORDER
1
2
3
4
5
MC9S08DV60 Series Data Sheet, Rev 3
Figure 5-1. Interrupt Stack Frame
* High byte (H) of index register is not automatically stacked.
7
INDEX REGISTER (LOW BYTE X)
CONDITION CODE REGISTER
PROGRAM COUNTER HIGH
PROGRAM COUNTER LOW
ACCUMULATOR
TOWARD HIGHER ADDRESSES
TOWARD LOWER ADDRESSES
*
0
SP AFTER
INTERRUPT STACKING
SP BEFORE
THE INTERRUPT
Freescale Semiconductor
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