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參數(shù)資料
| 型號(hào)： | MCP2140T-I/SS |
| 廠商： | Microchip Technology |
| 文件頁(yè)數(shù)： | 55/58頁(yè) |
| 文件大小： | 0K |
| 描述： | IC IRDA CONTROLLR DTE/DCE 20SSOP |
| 標(biāo)準(zhǔn)包裝： | 1,600 |
| 控制器類型： | IRDA 標(biāo)準(zhǔn)協(xié)議?？刂破?br> |
| 接口： | UART |
| 電源電壓： | 3 V ~ 5.5 V |
| 電流 - 電源： | 2.2mA |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-SSOP（0.209"，5.30mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SSOP |
| 包裝： | 帶卷 (TR) |
| 配用： | MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140 |
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MCP2140
DS21790A-page 6
Preliminary
2003 Microchip Technology Inc.
RTS
13
14
I
TTL
Request to Send. Indicates that a Host Controller is ready to
receive data from the MCP2140. This signal is locally emu-
lated and not related to the CTS/RTS bit of the IrDA Primary
device.
1
= Host Controller not ready to receive data
0
= Host Controller ready to receive data
VDD
14
15, 16
—
P
Positive supply for logic and I/O pins.
OSC2
15
17
O
—
Oscillator crystal output.
OSC1/CLKIN
16
18
I
CMOS Oscillator crystal input/external clock source input.
CD
17
19
I
ST
Carrier Detect. The state of this bit is communicated to the
IrDA Primary device via the IrDA CD bit.
1
= No Carrier Present
0
= Carrier Present
RXPD
18
20
I
A
IR RX Photo Detect Diode input. This input signal is required
to be a pulse to indicate an IR bit. When the amplitude of the
signal crosses the amplitude threshold set by the RXPDREF
pin, the IR bit is detected. The pulse has minimum and max-
imum requirements as specified in Parameter IR131A.
TABLE 1-2:
MCP2140 PIN DESCRIPTION NORMAL OPERATION (DCE) (CONTINUED)
Pin Name
Pin Number
Pin
Type
Buffer
Type
PDIP
SOIC SSOP
Description
Legend:
TTL = TTL compatible input
ST = Schmitt Trigger input with CMOS levels
A = Analog
P = Power
CMOS = CMOS compatible input
OC = Open collector output
I = Input
O = Output
1: The state of the DTR output pin does not reflect the state of the DTR bit of the IrDA Primary Device.
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