參數(shù)資料
型號(hào)： MC68HC11EA9MFN3
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PQCC52
封裝： PLASTIC, LCC-52
文件頁(yè)數(shù)： 18/58頁(yè)
文件大?。?/td> 583K
代理商： MC68HC11EA9MFN3
MC68HC11EA9
MOTOROLA
MC68HC11EA9TS/D
25
Bits [7:4] — Not Implemented
Always read zero
NOSEC — EEPROM Security Mode Disable
NOCOP — COP System Disable
0 = COP system enabled (forces reset on timeout)
1 = COP system disabled
ROMON — ROM/EPROM Enable
EEON — EEPROM Enable
Refer to 4.10 EEPROM
Table 9 Highest I-Bit Interrupt Source Selection
PSEL3
PSEL2
PSEL1
PSEL0
Interrupt Source Promoted
0000
Timer Overflow
0001
Pulse Accumulator Overflow
0010
Pulse Accumulator Input Edge
0011
Reserved (Default to IRQ)
0100
SCI Serial System
0101
Reserved (Default to IRQ)
0110
IRQ (External Pin)
0111
Real-Time Interrupt
1000
Timer Input Capture 1
1001
Timer Input Capture 2
1010
Timer Input Capture 3
1011
Timer Output Compare 1
1100
Timer Output Compare 2
1101
Timer Output Compare 3
1110
Timer Output Compare 4
1111
Timer IC4/OC5
PSEL[3:0] reset to %0101, making IRQ the highest priority I-bit related interrupt source.
CONFIG — Security, COP, ROM/EPROM, and EEPROM Enables
$103F
BIT 7
654321
BIT 0
————
NOSEC
NOCOP
ROMON
EEON
RESET:
—
00101
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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