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參數(shù)資料
| 型號： | MC68HC11EA9CFN3 |
| 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 |
| 文件頁數(shù)： | 47/58頁 |
| 文件大小： | 583K |
| 代理商： | MC68HC11EA9CFN3 |
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MC68HC11EA9
MOTOROLA
MC68HC11EA9TS/D
51
LOOPS — SCI LOOP Mode Enable
0 = SCI transmit and receive operate normally
1 = SCI transmit and receive are disconnected from TxD and RxD pins, and transmitter output is
fed back into the receiver input
WOMS — Wired-Or Mode Option for PD[1:0] (See also DWOM bit in SPCR.)
0 = TxD and RxD operate normally
1 = TxD and RxD are open drains if operating as an output
Bit 5 — Not implemented
Always reads zero
M — Mode (Select Character Format)
0 = Start, 8 data bits, 1 stop bit
1 = Start, 9 data bits, 1 stop bit
WAKE — Wake-Up by Address Mark/Idle
0 = Wake-up by IDLE line recognition
1 = Wake-up by address mark (most significant data bit set)
ILT — Idle Line Type
0 = Short (SCI counts consecutive ones after start bit)
1 = Long (SCI counts ones only after stop bit)
PE — Parity Enable
0 = Parity disabled
1 = Parity enabled
PT — Parity Type
0 = Parity even (even number of ones causes parity bit to be zero, odd number of ones causes par-
ity bit to be one)
1 = Parity odd (odd number of ones causes parity bit to be zero, even number of ones causes parity
bit to be one)
TIE — Transmit Interrupt Enable
0 = TDRE interrupts disabled
1 = SCI interrupt requested when TDRE status flag is set
TCIE — Transmit Complete Interrupt Enable
0 = TC interrupts disabled
1 = SCI interrupt requested when TC status flag is set
RIE — Receiver Interrupt Enable
0 = RDRF and OR interrupts disabled
1 = SCI interrupt requested when RDRF flag or the OR status flag is set
SCCR1 — SCI Control Register 1
$102A
BIT 7
654321
BIT 0
LOOPS
WOMS
—
M
WAKE
ILT
PE
PT
RESET:
00000000
SCCR2 — SCI Control Register 2
$102B
BIT 7
654321
BIT 0
TIE
TCIE
RIE
ILIE
TE
RE
RWU
SBK
RESET:
00000000
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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