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參數(shù)資料
| 型號(hào)： | MAX3109ETJ+T |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 37/66頁(yè) |
| 文件大小： | 0K |
| 描述： | IC UART |
| 產(chǎn)品培訓(xùn)模塊： | Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | * |
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Dual Serial UART with 128-Word FIFOs
MAX3109
42
Maxim Integrated
IrDA Register
The IrDA register allows selection of IrDA SIR- and MIR-compliant pulse shaping at the TX_ and RX_ interfaces. It also
allows inversion of the TX_ and RX_ logic, separate from whether IrDA pulse shaping is enabled or not.
Bits 7, 6, and 2: No Function
Bit 5: TxInv
Set the TxInv bit high to invert the logic at the TX_ output. This functionality is separate from IrDA operation.
Bit 4: RxInv
Set the RxInv bit high to invert the logic at the RX_ input. This functionality is separate from IrDA operation.
Bit 3: MIR
Set the MIR and IrDAEn bits high to select IrDA 1.1 (MIR) with 1/4th period pulse widths.
Bit 1: SIR
Set the SIR and IrDAEn bits high to select IrDA 1.0 pulses (SIR) with 3/16th period pulse widths.
Bit 0: IrDAEn
Set the IrDAEn bit high to program the MAX3109 to produce IrDA-compliant pulses at the TX_ output and expect IrDA-
compliant pulses at the RX_ input. If IrDAEn is set low, normal (non-IrDA) pulses are generated by the transmitter and
expected by the receiver. Use IrDAEn in conjunction with the SIR or MIR bits to select the pulse width.
Flow Level Register (FlowLvl)
FlowLvl is used for selecting the RxFIFO threshold levels used for auto software (XON/XOFF) and hardware (RTS_/
CTS_) flow control.
Bits 7–4: Resumex
The Resumex bits set the receive FIFO threshold at which an XON character is automatically sent in auto software flow
control mode or RTS_ is automatically asserted in AutoRTS mode. These flow control actions occur once the RxFIFO
is emptied to below the value in Resumex. This signals the far-end station to resume transmission. The threshold level
is calculated as 8 x Resumex. The resulting possible threshold-level range is 0 to 120 (decimal).
Bits 3–0: Haltx
The Haltx bits set the receive FIFO threshold level at which an XOFF character is automatically sent in auto software
flow control mode or RTS_ is automatically deasserted in AutoRTS mode. These flow control actions occur once the
RxFIFO is filled to above the value in Haltx. This signals the far-end station to halt transmission. The threshold level is
calculated as 8 x Haltx. The resulting possible threshold-level range is 0 to 120 (decimal).
ADDRESS:
0x0E
MODE:
R/W
BIT
7
6
5
4
3
2
1
0
NAME
—
TxInv
RxInv
MIR
—
SIR
IrDAEn
RESET
0
ADDRESS:
0x0F
MODE:
R/W
BIT
7
6
5
4
3
2
1
0
NAME
Resume3
Resume2
Resume1
Resume0
Halt3
Halt2
Halt1
Halt0
RESET
0
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| MAX310C/D | 功能描述:多路器開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX310CPE | 功能描述:多路器開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX310CPE+ | 功能描述:多路器開(kāi)關(guān) IC 8:1 Unbuffered RF Video MUX RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX310CWN | 功能描述:多路器開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開(kāi)關(guān)數(shù)量:4 開(kāi)啟電阻（最大值）:7 Ohms 開(kāi)啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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