参数资料
型号: MCP2140AT-I/SS
厂商: Microchip Technology
文件页数: 56/66页
文件大小: 0K
描述: IC IRDA CONTROLLR DTE/DCE 20SSOP
标准包装: 1,600
控制器类型: IRDA 标准协议栈控制器
接口: UART
电源电压: 2 V ~ 5.5 V
电流 - 电源: 2.2mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 带卷 (TR)
配用: MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140
其它名称: MCP2140AT-I/SSTR
MCP2140A
DS22050B-page 6
2007-2011 Microchip Technology Inc.
RTS
13
14
I
TTL
Request to Send. Indicates that a host controller is ready to
receive data from the MCP2140A. 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/CLKI
15
17
I/O
Oscillator crystal output/external clock source input.
OSC1
16
18
I
CMOS Oscillator crystal 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.
TABLE 1-2:
MCP2140A 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
Note 1: The state of the DSR output pin does not reflect the state of the DTR bit of the IrDA primary device.
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