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參數(shù)資料
| 型號(hào)： | KSZ8851-16MLLI |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 69/84頁 |
| 文件大小： | 0K |
| 描述： | IC MAC CTLR 1PORT W/BUS 48-TQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 控制器類型： | 以太網(wǎng)控制器，MAC/PHY |
| 接口： | 總線 |
| 電源電壓： | 1.8V，2.5V，3.3V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 1081 (CN2011-ZH PDF) |
| 其它名稱： | 576-3505 |
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2002 Microchip Technology Inc.
DS30325B-page 69
PIC16F7X
10.0
UNIVERSAL SYNCHRONOUS
ASYNCHRONOUS RECEIVER
TRANSMITTER (USART)
The Universal Synchronous Asynchronous Receiver
Transmitter (USART) module is one of the two serial
I/O modules. (USART is also known as a Serial Com-
munications Interface or SCI.) The USART can be con-
figured as a full duplex asynchronous system that can
communicate with peripheral devices, such as CRT ter-
minals and personal computers, or it can be configured
as a half duplex synchronous system that can commu-
nicate with peripheral devices, such as A/D or D/A inte-
grated circuits, serial EEPROMs, etc.
The USART can be configured in the following modes:
Asynchronous (full duplex)
Synchronous - Master (half duplex)
Synchronous - Slave (half duplex)
Bit SPEN (RCSTA<7>) and bits TRISC<7:6> have to
be set in order to configure pins RC6/TX/CK and
RC7/RX/DT as the Universal Synchronous Asynchro-
nous Receiver Transmitter.
REGISTER 10-1:
TXSTA: TRANSMIT STATUS AND CONTROL REGISTER (ADDRESS 98h)
R/W-0
U-0
R/W-0
R-1
R/W-0
CSRC
TX9
TXEN
SYNC
—
BRGH
TRMT
TX9D
bit 7
bit 0
bit 7
CSRC: Clock Source Select bit
Asynchronous mode:
Don’t care
Synchronous mode:
1
= Master mode (clock generated internally from BRG)
0
= Slave mode (clock from external source)
bit 6
TX9: 9-bit Transmit Enable bit
1
= Selects 9-bit transmission
0
= Selects 8-bit transmission
bit 5
TXEN: Transmit Enable bit
1
= Transmit enabled
0
= Transmit disabled
Note:
SREN/CREN overrides TXEN in Sync mode.
bit 4
SYNC: USART Mode Select bit
1
= Synchronous mode
0
= Asynchronous mode
bit 3
Unimplemented: Read as '0'
bit 2
BRGH: High Baud Rate Select bit
Asynchronous mode:
1
= High speed
0
= Low speed
Synchronous mode:
Unused in this mode
bit 1
TRMT: Transmit Shift Register Status bit
1
= TSR empty
0
= TSR full
bit 0
TX9D: 9th bit of Transmit Data
Can be parity bit
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
- n = Value at POR reset
’1’ = Bit is set
’0’ = Bit is cleared
x = Bit is unknown
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| KSZ8851-16MLLI TR | 功能描述:以太網(wǎng) IC 10/100BT Ethernet MAC + PHY with Generic (8, 16-bit) Bus Interface (I-Temp, Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8851-16MLLJ | 功能描述:以太網(wǎng) IC Single-Port Ethernet MAC Controller with 8/16-Bit Non-PCI Interface (125C support) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8851-16MLLJ_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Single-Port Ethernet MAC Controller with 8-Bit or 16-Bit Non-PCI Interface |
| KSZ8851-16MLLU | 功能描述:以太網(wǎng) IC Single-Port Ethernet Controller (Automotive Grade) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
| KSZ8851-16MLLU TR | 功能描述:以太網(wǎng) IC Single-Port Ethernet Controller (Automotive Grade) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray |
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