XC68HC12A0CPV8 Freescale Semiconductor, XC68HC12A0CPV8 Datasheet - Page 123
XC68HC12A0CPV8
Manufacturer Part Number
XC68HC12A0CPV8
Description
IC, 16BIT MCU, 68HC12, 8MHZ, TQFP-112
Manufacturer
Freescale Semiconductor
Datasheet
1.MC912D60ACFUE8.pdf
(460 pages)
Specifications of XC68HC12A0CPV8
Controller Family/series
68HC12
No. Of I/o's
68
Eeprom Memory Size
1KB
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
1
Core Size
16 Bit
Program Memory Size
60KB
Peripherals
ADC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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9.5 Interrupt Control and Priority Registers
INTCR — Interrupt Control Register
MC68HC912D60A — Rev. 3.1
Freescale Semiconductor
RESET:
IRQE
Bit 7
0
IRQEN
6
1
IRQE — IRQ Select Edge Sensitive Only
IRQEN — External IRQ Enable
DLY — Enable Oscillator Start-up Delay on Exit from STOP
IRQE can be read anytime and written once in normal modes. In
special modes, IRQE can be read anytime and written anytime,
except the first write is ignored.
The IRQ pin has an active pull-up. See
IRQEN can be read and written anytime in all modes.
The delay time of about 4096 cycles is based on the X clock rate
chosen.
DLY can be read anytime and written once in normal modes. In
special modes, DLY can be read and written anytime.
0 = IRQ configured for low-level recognition.
1 = IRQ configured to respond only to falling edges (on pin
0 = External IRQ pin is disconnected from interrupt logic.
1 = External IRQ pin is connected to interrupt logic.
0 = No stabilization delay imposed on exit from STOP mode. A
1 = Stabilization delay is imposed before processing resumes after
DLY
5
1
PE1/IRQ).
stable external oscillator must be supplied.
STOP.
Resets and Interrupts
4
0
0
3
0
0
2
0
0
Interrupt Control and Priority Registers
Table
1
0
0
3-4.
Resets and Interrupts
Bit 0
0
0
Technical Data
$001E
123
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