S912XEQ384J3MALR Freescale Semiconductor, S912XEQ384J3MALR Datasheet - Page 577
S912XEQ384J3MALR
Manufacturer Part Number
S912XEQ384J3MALR
Description
S912XEQ Series 16 Bit 50 Mhz 384 KB Flash 24 KB Ram Microcontroller - LQFP-112
Manufacturer
Freescale Semiconductor
Datasheet
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14.4.2
The reset state of each individual bit is listed within the register description section
“Memory Map and Register
14.4.3
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.
14.4.3.1
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.
14.4.3.2
This active high output will be asserted by the module to request a modulus counter underflow interrupt to
be serviced by the system controller.
14.4.3.3
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.
14.4.3.4
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.
Freescale Semiconductor
Table 14-39
Timer channel 7–0
Modulus counter underflow
Pulse accumulator B overflow
Pulse accumulator A input
Pulse accumulator A overflow
Timer overflow
Reset
Interrupts
Channel [7:0] Interrupt
Modulus Counter Interrupt
Pulse Accumulator B Overflow Interrupt
Pulse Accumulator A Input Interrupt
Interrupt Source
lists the interrupts generated by the ECT to communicate with the MCU.
Definition”) which details the registers and their bit-fields.
MC9S12XE-Family Reference Manual Rev. 1.24
Table 14-39. 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
Description
Chapter 14 Enhanced Capture Timer (ECT16B8CV3)
(Section 14.3,
577
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