MC9S12E128CPV Freescale Semiconductor, MC9S12E128CPV Datasheet - Page 118
MC9S12E128CPV
Manufacturer Part Number
MC9S12E128CPV
Description
Microcontrollers (MCU) 16 Bit 16MHz
Manufacturer
Freescale Semiconductor
Datasheet
1.MC9S12E128CPV.pdf
(606 pages)
Specifications of MC9S12E128CPV
Data Bus Width
16 bit
Program Memory Type
Flash
Program Memory Size
128 KB
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
92
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
LQFP-112
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
Lead Free Status / Rohs Status
No RoHS Version Available
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Chapter 2 128 Kbyte Flash Module (FTS128K1V1)
2.4.4
On each reset, the Flash module executes a reset sequence to hold CPU activity while loading the following
registers from the Flash array memory according to
2.4.4.1
If a reset occurs while any Flash command is in progress, that command will be immediately aborted. The
state of the word being programmed or the sector/array being erased is not guaranteed.
2.4.5
The Flash module can generate an interrupt when all Flash commands have completed execution or the
Flash address, data, and command buffers are empty.
2.4.5.1
Figure 2-26
The Flash module uses the CBEIF and CCIF flags in combination with the enable bits CBIE and CCIE to
discriminate for the generation of interrupts.
For a detailed description of these register bits, refer to
(FCNFG)”
118
•
•
FPROT — Flash Protection Register (see
FSEC — Flash Security Register (see
Flash Address, Data, and Command
Buffers are empty
All Flash commands have completed
execution
and
Flash Reset Sequence
Interrupts
shows the logic used for generating interrupts.
Reset While Flash Command Active
Description of Interrupt Operation
Vector addresses and their relative interrupt priority are determined at the
MCU level.
Section 2.3.2.6, “Flash Status Register
Interrupt Source
CBEIE
CBEIF
CCIE
CCIF
Figure 2-26. Flash Interrupt Implementation
Table 2-17. Flash Interrupt Sources
MC9S12E128 Data Sheet, Rev. 1.07
Section
(FSTAT register)
(FSTAT register)
Interrupt Flag
NOTE
Section
CBEIF
CCIF
Table
2.3.2.2)
(FSTAT)”.
Section 2.3.2.4, “Flash Configuration Register
FLASH INTERRUPT REQUEST
2.3.2.5)
2-1:
Local Enable
CBEIE
CCIE
Global (CCR) Mask
Freescale Semiconductor
I Bit
I Bit
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