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参数资料
型号： MC68HC912BL16FU8
厂商： FREESCALE SEMICONDUCTOR INC
元件分类： 微控制器/微处理器
英文描述： 16-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封装： QFP-64
文件页数： 80/128页
文件大小： 3326K
代理商： MC68HC912BL16FU8
MC68HC912BL16TS/D
55
9.3 Interrupt Control and Priority Registers
IRQE — IRQ Select Edge Sensitive Only
0 = IRQ configured for low-level recognition.
1 = IRQ configured to respond only to falling edges (on pin PE1/IRQ).
IRQE can be read anytime and written once in normal modes. In special modes, IRQE can be read any-
time and written anytime, except the first write is ignored.
IRQEN — External IRQ Enable
0 = External IRQ pin disconnected from interrupt logic
1 = External IRQ pin connected to interrupt logic
IRQEN can be read and written anytime in all modes.
DLY — Enable Oscillator Start-Up Delay on Exit from STOP
The delay time of about 4096 cycles is based on the E clock rate.
0 = No stabilization delay imposed on exit from STOP mode. A stable external oscillator must be
supplied.
1 = Stabilization delay is imposed before processing resumes after STOP.
DLY can be read anytime and written once in normal modes. In special modes, DLY can be read and
written anytime.
Write only if I mask in CCR = 1 (interrupts inhibited). Read anytime.
$FFE8, $FFE9
Timer channel 3
I bit
TMSK1 (C3I)
$E8
$FFE6, $FFE7
Timer channel 4
I bit
TMSK1 (C4I)
$E6
$FFE4, $FFE5
Timer channel 5
I bit
TMSK1 (C5I)
$E4
$FFE2, $FFE3
Timer channel 6
I bit
TMSK1 (C6I)
$E2
$FFE0, $FFE1
Timer channel 7
I bit
TMSK1 (C7I)
$E0
$FFDE, $FFDF
Timer overflow
I bit
TMSK2 (TOI)
$DE
$FFDC, $FFDD
Pulse accumulator overflow
I bit
PACTL (PAOVI)
$DC
$FFDA, $FFDB
Pulse accumulator input edge
I bit
PACTL (PAI)
$DA
$FFD8, $FFD9
SPI serial transfer complete
I bit
SP0CR1 (SPIE)
$D8
$FFD6, $FFD7
SCI 0
I bit
SC0CR2
(TIE, TCIE, RIE, ILIE)
$D6
$FFD4, $FFD5
Reserved
I bit
–
$D4
$FFD2, $FFD3
ATD
I bit
ATDCTL2 (ASCIE)
$D2
$FF80–$FFCF
Reserved
I bit
–
$80–$CE
INTCR — Interrupt Control Register
$001E
Bit 7
6
5
4
3
2
1
Bit 0
IRQE
IRQEN
DLY
0
RESET:
0
1
0
HPRIO — Highest Priority I Interrupt
$001F
Bit 7
6
5
4
3
2
1
Bit 0
1
PSEL5
PSEL4
PSEL3
PSEL2
PSEL1
0
RESET:
1
0
1
0
Table 17 Interrupt Vector Map
Vector Address
Interrupt Source
CCR
Mask
Local Enable
Register (Bit)
HPRIO Value to
Elevate
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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