MC9S12XDT256CAA Freescale Semiconductor, MC9S12XDT256CAA Datasheet - Page 361
MC9S12XDT256CAA
Manufacturer Part Number
MC9S12XDT256CAA
Description
IC MCU 256K FLASH 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12XD64CAA.pdf
(1348 pages)
Specifications of MC9S12XDT256CAA
Core Processor
HCS12X
Core Size
16-Bit
Speed
80MHz
Connectivity
CAN, EBI/EMI, I²C, IrDA, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
59
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Processor Series
S12XD
Core
HCS12
Data Bus Width
16 bit
Data Ram Size
16 KB
Interface Type
CAN/I2C/SCI/SPI
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
59
Number Of Timers
12
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
EVB9S12XDP512E
Minimum Operating Temperature
- 40 C
On-chip Adc
8-ch x 10-bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S12XDT256CAA
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MC9S12XDT256CAAR
Manufacturer:
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Quantity:
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7.4.3
This section describes interrupts originated by the ECT block. The MCU must service the interrupt
requests.
The ECT only originates interrupt requests. The following is a description of how the module makes a
request and how the MCU should acknowledge that request. The interrupt vector offset and interrupt
number are chip dependent.
7.4.3.1
This active high output will be asserted by the module to request a timer channel 7–0 interrupt to be
serviced by the system controller.
7.4.3.2
This active high output will be asserted by the module to request a modulus counter underflow interrupt
to be serviced by the system controller.
7.4.3.3
This active high output will be asserted by the module to request a timer pulse accumulator B overflow
interrupt to be serviced by the system controller.
7.4.3.4
This active high output will be asserted by the module to request a timer pulse accumulator A input
interrupt to be serviced by the system controller.
7.4.3.5
This active high output will be asserted by the module to request a timer pulse accumulator A overflow
interrupt to be serviced by the system controller.
7.4.3.6
This active high output will be asserted by the module to request a timer overflow interrupt to be serviced
by the system controller.
Freescale Semiconductor
Table 7-37
Timer channel 7–0
Modulus counter underflow
Pulse accumulator B overflow
Pulse accumulator A input
Pulse accumulator A overflow
Timer overflow
Interrupts
Channel [7:0] Interrupt
Modulus Counter Interrupt
Pulse Accumulator B Overflow Interrupt
Pulse Accumulator A Input Interrupt
Pulse Accumulator A Overflow Interrupt
Timer Overflow Interrupt
Interrupt Source
lists the interrupts generated by the ECT to communicate with the MCU.
MC9S12XDP512 Data Sheet, Rev. 2.21
Table 7-37. ECT Interrupts
Active high timer channel interrupts 7–0
Active high modulus counter interrupt
Active high pulse accumulator B interrupt
Active high pulse accumulator A input interrupt
Pulse accumulator overflow interrupt
Timer 0verflow interrupt
Chapter 7 Enhanced Capture Timer (S12ECT16B8CV2)
Description
361
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