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| 型号： | SC28L198A1BE,528 |
| 厂商： | NXP Semiconductors |
| 文件页数： | 16/57页 |
| 文件大小： | 0K |
| 描述： | IC UART OCTAL SOT407-1 |
| 标准包装： | 1,000 |
| 特点： | 故障启动位检测 |
| 通道数： | 8 |
| FIFO's： | 16 字节 |
| 电源电压： | 3.3V，5V |
| 带自动流量控制功能： | 是 |
| 带故障启动位检测功能： | 是 |
| 带调制解调器控制功能： | 是 |
| 带CMOS： | 是 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 100-LQFP |
| 供应商设备封装： | 100-LQFP（14x14） |
| 包装： | 带卷 (TR) |
| 其它名称： | 935262731528 SC28L198A1BE-T SC28L198A1BE-T-ND |
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Philips Semiconductors
Product data sheet
SC28L198
Octal UART for 3.3 V and 5 V supply voltage
2006 Aug 10
23
mechanism to initialize all the Xoff Character registers to a
default value with one write. Execution of this command
is immediate and does not effect the timing of subsequent
host I/O operations.
10110
Xoff resume command (CRXoffre; not active in
“Auto-Transmit Mode”). A command to cancel a previous
Host Xoff command. Upon receipt, the channel’s
transmitter will transfer a character, if any, from the
TxFIFO and begin transmission.
10111
Host Xoff command (CRXoff). This command allows tight
host CPU control of the flow control of the channel
transmitter. When interrupted for receipt of an Xoff
character by the receiver, the host may stop transmission
of further characters by the channel transmitter by issuing
the Host Xoff command. Any character that has been
transferred to the TxD shift register will complete its
transmission, including the stop bit.
11000
Cancel Host transmit flow control command. Issuing this
command will cancel a previous transmit command if the
flow control character is not yet loaded into the TxD Shift
Register. If there is no character waiting for transmission
or if its transmission has already begun, then this
command has no effect.
11001–11011
Reserved
11011 Reset Address Recognition Status. This command clears the
interrupt status that was set when an address character
was recognized by a disabled receiver operating in the
special mode.
11100–11101
Reserved
11110
Resets all UART channel registers. This command
provides a means to zero all the UART channels that are
not reset to x’00 by a reset command or a hardware reset.
11111
Reserved for channels b-h, for channel a: executes a chip
wide reset. Executing this command in channel a is
equivalent to a hardware reset with the RESETN pin.
Executing in channel b-h, has no effect.
Table 9. Command Register Code
Commands x’12, x13, x’14, x’15, x’1f (marked with*) are global and exist only in channel A’s register space.
Channel Command
Code
Channel
Command
Channel Command
Code
Channel
Command
CR[7:3]
Description
CR[7:3]
Description
00000
NOP
10000
Transmit Xon
00001
Reserved
10001
Transmit Xoff
00010
Reset Receiver
10010
Gang Write Xon Character Registers *
00011
Reset Transmitter
10011
Gang Write Xoff Character Registers *
00100
Reset Error Status
10100
Gang Load Xon Character Registers DC1 *
00101
Reset Break Change Interrupt
10101
Gang Load Xoff Character Registers DC3 *
00110
Begin Transmit Break
10110
Xoff Resume Command
00111
End Transmit Break
10111
Host Xoff Command
01000
Assert RTSN (I/O2 or I/O1)
11000
Cancel Transmit X Char command
01001
Negate RTSN (I/O2 or I/O1)
11001
Reserved
01010
Set time–out mode on
11010
Reserved
01011
Reserved
11011
Reset Address Recognition Status
01100
Set time–out mode off
11100
Reserved
01101
Block Error Status configure
11101
Reserved
01110
Reserved
11110
Reset All UART channel registers
01111
Reserved
11111
Reset Device *
Table 10. SR – Channel Status Register
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Received
Break
Framing Error
Parity
Error
Overrun Error
TxEMT
TxRDY
RxFULL
RxRDY
0 – No
1 – Yes
0 – No
1 – Yes
0 – No
1 – Yes
0 – No
1 – Yes
0 – No
1 – Yes
0 – No
1 – Yes
0 – No
1 – Yes
0 – No
1 – Yes
SR[7] – Received Break
This bit indicates that an all zero character of the programmed
length has been received without a stop bit. Only a single FIFO
position is occupied when a break is received; further entries to the
FIFO are inhibited until the RxD line returns to the marking state for
at least one half bit time (two successive edges of the internal or
external 1x clock). When this bit is set, the change in break bit in
the ISR (ISR[2]) is set. ISR[2] is also set when the end of the break
condition, as defined above, is detected. The break detect circuitry
is capable of detecting breaks that originate in the middle of a
received character. However, if a break begins in the middle of a
character, it must last until the end of the next character in order for
it to be detected.
SR[6] – Framing Error (FE)
This bit, when set, indicates that a stop bit was not detected when
the corresponding data character in the FIFO was received. The
stop bit check is made in the middle of the first stop bit position.
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相关代理商/技术参数 |
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| SC28L198A1BE-S | 功能描述:UART 接口集成电路 3V-5V 8CH UART INTEL/MOT INTRF RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28L198C1A | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:Octal UART for 3.3V and 5V supply voltage |
| SC28L201 | 制造商:PHILIPS 制造商全称:NXP Semiconductors 功能描述:3.3 V, 5 V UART, 3.125 Mbit/s, with 256-byte FIFO |
| SC28L201A1DGG | 功能描述:UART 接口集成电路 3-5V 1CH UART 3MBPS 256B FIFO RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
| SC28L201A1DGG,112 | 功能描述:UART 接口集成电路 3-5V 1CH UART 3MBPS RoHS:否 制造商:Texas Instruments 通道数量:2 数据速率:3 Mbps 电源电压-最大:3.6 V 电源电压-最小:2.7 V 电源电流:20 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LQFP-48 封装:Reel |
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