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參數(shù)資料
| 型號： | ST16C580CJ44 |
| 廠商： | EXAR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | UART WITH 16-BYTE FIFO’s AND INFRARED (IrDA) ENCODER/DECODER |
| 中文描述： | 1 CHANNEL(S), 1.5M bps, SERIAL COMM CONTROLLER, PQCC44 |
| 封裝： | PLASTIC, LCC-44 |
| 文件頁數(shù)： | 25/41頁 |
| 文件大小： | 244K |
| 代理商： | ST16C580CJ44 |
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ST16C580
25
Rev. 1.20
Table 7, SOFTWARE FLOW CONTROL FUNCTIONS
Cont-3
Cont-2
Cont-1
Cont-0
TX, RX software flow controls
0
1
0
1
X
X
X
1
0
0
1
1
X
X
X
0
X
X
X
X
0
1
0
1
X
X
X
X
0
0
1
1
No transmit flow control
Transmit Xon1/Xoff1
Transmit Xon2/Xoff2
Transmit Xon1 and Xon2/Xoff1 and Xoff2
No receive flow control
Receiver compares Xon1/Xoff1
Receiver compares Xon2/Xoff2
Transmit Xon1/ Xoff1.
Receiver compares Xon1 and Xon2,
Xoff1 and Xoff2
Transmit Xon2/Xoff2
Receiver compares Xon1 and Xon2/Xoff1 and Xoff2
Transmit Xon1 and Xon2/Xoff1 and Xoff2
Receiver compares Xon1 and Xon2/Xoff1 and Xoff2
No transmit flow control
Receiver compares Xon1 and Xon2/Xoff1 and Xoff2
0
1
1
1
1
1
1
1
0
0
1
1
EFR BIT-4:
Enhanced function control bit. The content of the IER
bits 4-7, ISR bits 4-5, FCR bits 4-5, and MCR bits 5-7
can be modified and latched. After modifying any bits
in the enhanced registers, EFR bit-4 can be set to a
logic 0 to latch the new values. This feature prevents
existing software from altering or overwriting the 580
enhanced functions.
Logic 0 = disable/latch enhanced features. IER bits 4-
7, ISR bits 4-5, FCR bits 4-5, and MCR bits 5-7 are
saved to retain the user settings, then IER bits 4-7, ISR
bits 4-5, FCR bits 4-5, and MCR bits 5-7 are initialized
to the default values shown in the Internal Resister
Table. After a reset, the IER bits 4-7, ISR bits 4-5, FCR
bits 4-5, and MCR bits 5-7 are set to a logic 0 to be
compatible with ST16C550 mode. (normal default
condition).
Logic 1 = Enables the enhanced functions. When this
bit is set to a logic 1 all enhanced features of the 580
are enabled and user settings stored during a reset will
be restored.
EFR BIT-5:
Logic 0 = Special Character Detect Disabled (normal
default condition)
Logic 1 = Special Character Detect Enabled. The 580
compares each incoming receive character with Xoff-
2 data. If a match exists, the received data will be
transferred to FIFO and ISR bit-4 will be set to indicate
detection of special character. Bit-0 in the X-registers
corresponds with the LSB bit for the receive character.
When this feature is enabled, the normal software flow
control must be disabled (EFR bits 0-3 must be set to
a logic 0).
EFR BIT-6:
Automatic RTS may be used for hardware flow control
by enabling EFR bit-6. When AUTO RTS is selected,
an interrupt will be generated when the receive FIFO
is filled to the programmed trigger level and -RTS will
go to a logic 1 at the next trigger level. -RTS will return
to a logic 0 when data is unloaded below the next lower
trigger level (Programmed trigger level -1). The state
of this register bit changes with the status of the
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| ST16C580CP40 | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 16-BYTE FIFO’s AND INFRARED (IrDA) ENCODER/DECODER |
| ST16C580CQ-0A-EVB | 功能描述:界面開發(fā)工具 Supports C580 48 ld TQFP, ISA Interface RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| ST16C580CQ48 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Exar Corporation 功能描述: |
| ST16C580CQ48-F | 功能描述:UART 接口集成電路 UART W/16BYTE FIFO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 數(shù)據(jù)速率:3 Mbps 電源電壓-最大:3.6 V 電源電壓-最小:2.7 V 電源電流:20 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LQFP-48 封裝:Reel |
| ST16C580IJ44 | 制造商:EXAR 制造商全稱:EXAR 功能描述:UART WITH 16-BYTE FIFO’s AND INFRARED (IrDA) ENCODER/DECODER |
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