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參數(shù)資料
| 型號： | SC16C852VIET,157 |
| 廠商： | NXP Semiconductors |
| 文件頁數(shù)： | 27/55頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC UART DUAL W/FIFO 36TFBGA |
| 產品培訓模塊： | Stand-Alone UARTs |
| 標準包裝： | 2,450 |
| 特點： | 可編程 |
| 通道數(shù)： | 2，DUART |
| FIFO's： | 128 字節(jié) |
| 規(guī)程： | RS485 |
| 電源電壓： | 2.5V |
| 帶自動流量控制功能： | 是 |
| 帶IrDA 編碼器/解碼器： | 是 |
| 帶故障啟動位檢測功能： | 是 |
| 帶調制解調器控制功能： | 是 |
| 帶CMOS： | 是 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 36-TFBGA |
| 供應商設備封裝： | 36-TFBGA（3.5x3.5） |
| 包裝： | 托盤 |
| 其它名稱： | 568-4019 935282518157 SC16C852VIET SC16C852VIET-ND |
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SC16C852V
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 5 — 21 January 2011
33 of 55
NXP Semiconductors
SC16C852V
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
7.14 Enhanced Feature Register (EFR)
Enhanced features are enabled or disabled using this register.
Bit 0 through bit 4 provide single or dual character software flow control selection. When
the Xon1 and Xon2 and/or Xoff1 and Xoff2 modes are selected, the double 8-bit words are
concatenated into two sequential numbers.
[1]
Enhanced function control bits: IER[7:4], ISR[5:4], FCR[5:4] and MCR[7:5].
Table 25.
Enhanced Feature Register bits description
Bit
Symbol
Description
7
EFR[7]
Automatic CTS flow control.
logic 0 = automatic CTS flow control is disabled (normal default condition)
logic 1 = enable automatic CTS flow control. Transmission will stop when
CTS goes to a logical 1. Transmission will resume when the CTS signal
returns to a logical 0.
6
EFR[6]
Automatic RTS flow control. Automatic RTS may be used for hardware flow
control by enabling EFR[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 hardware flow
control. RTS functions normally when hardware flow control is disabled.
logic 0 = automatic RTS flow control is disabled (normal default condition)
logic 1 = enable automatic RTS flow control
5
EFR[5]
Special character detect.
logic 0 = special character detect disabled (normal default condition)
logic 1 = special character detect enabled. The SC16C852V compares each
incoming receive character with Xoff2 data. If a match exists, the received
data will be transferred to FIFO and ISR[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[3:0] must be set to a logic 0).
4
EFR[4]
Enhanced function control bit. The content of IER[7:4], ISR[5:4], FCR[5:4], and
MCR[7:5] can be modified and latched. After modifying any bits in the enhanced
registers, EFR[4] can be set to a logic 0 to latch the new values. This feature
prevents existing software from altering or overwriting the SC16C852V
enhanced functions.
logic 0 = disable/latch enhanced features[1]
logic 1 = enables the enhanced functions[1]. When this bit is set to a logic 1,
all enhanced features of the SC16C852V are enabled and user settings
stored during a reset will be restored.
3:0
EFR[3:0]
Cont-3:0 Tx, Rx control. Logic 0 or cleared is the default condition.
Combinations of software flow control can be selected by programming these
bits. See Table 26.
Table 26.
Software flow control functions[1]
Cont-3
Cont-2
Cont-1
Cont-0
TX, RX software flow controls
0
X
No transmit flow control
1
0
X
Transmit Xon1/Xoff1
0
1
X
Transmit Xon2/Xoff2
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SC16C852VIET-G | 功能描述:UART 接口集成電路 1.8V 2CH UART 128B FIFO 5MBPS 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 |
| SC16C852VIET-S | 功能描述:UART 接口集成電路 1.8V 2CH UART 128B FIFO 5MBPS 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 |
| SC16DP-26 | 制造商:Thomas & Betts 功能描述:SAXXIT CABLE CLIP W/ DRIVE PIN -7 制造商:Belden Inc 功能描述: |
| SC16DP-3Q | 制造商:Thomas & Betts 功能描述:SAXXIT CABLE CLIP W/ DRIVE PIN -8 |
| SC16-FM-M16-NPB-ML-1 | 制造商:HellermannTyton 功能描述: |
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