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參數(shù)資料
| 型號(hào)： | MC68HC2681P |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁(yè)數(shù)： | 31/88頁(yè) |
| 文件大?。?/td> | 726K |
| 代理商： | MC68HC2681P |
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Programming and Register Descriptions
MOTOROLA
MC68HC681 USER’S MANUAL
4-7
4
Force Parity
0 = Low
1 = High
Multidrop Mode
0 = Data
1 = Address
Bits-per-Character (Bits 1 and 0)
0 0 = 5
0 1 = 6
1 0 = 7
1 1 = 8
Channel Mode (Bits 7 and 6)
0 0 = Normal
0 1 = Automatic Echo
1 0 = Local Loopback
1 1 = Remote Loopback
Tx RTS—Control
0 = Disabled
1 = Enabled
CTS—Enable Transmitter
0 = Disabled
1 = Enabled
Stop Bit Length (Bits 3, 2)
0 0 = 1 Stop Bit
0 1 = 1 Stop Bit
1 0 = 1.5 Stop Bits (Async mode); 2 Stop Bits (Sync mode)
1 1 = 2 Stop Bits
Channel A Mode Register 2 (MR2A/MR2B)
76543210
CHANNEL MODE
TX RTS
CTS
STOP BIT LENGTH
UNUSED
Clock-Select Register A/B (CSRA/CSRB)
76543210
RECEIVER-CLOCK SELECT
TRANSMITTER CLOCK SELECT
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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