參數(shù)資料
型號(hào)： MCP2150T-I/SO
廠商： Microchip Technology
文件頁(yè)數(shù)： 51/52頁(yè)
文件大?。?/td> 0K
描述： IC IRDA STD CONTROLLER 18SOIC
標(biāo)準(zhǔn)包裝： 1,100
控制器類型： IRDA 標(biāo)準(zhǔn)協(xié)議棧控制器
接口： UART
電源電壓： 3 V ~ 5.5 V
電流 - 電源： 7mA
工作溫度： -40°C ~ 125°C
安裝類型： 表面貼裝
封裝/外殼： 18-SOIC（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 18-SOIC
包裝： 帶卷 (TR)
配用： MCP215XDM-ND - BOARD DEMO FOR MCP215X
其它名稱： MCP2150TI/SO
MCP2150
DS21655B-page 8
Preliminary
2002 Microchip Technology Inc.
2.4
Bit Clock
The device crystal is used to derive the communication
bit clock (BITCLK). There are 16 BITCLKs for each bit
time. The BITCLKs are used for the generation of the
start bit and the eight data bits. The stop bit uses the
BITCLK when the data is transmitted (not for
reception).
This clock is a fixed frequency and has minimal
variation
in
frequency
(specified
by
crystal
manufacturer).
2.5
UART Interface
The UART interface communicates with the "control-
ler". This interface is a half duplex interface, meaning
that the system is either transmitting or receiving, but
not both simultaneously.
2.5.1
BAUD RATE
The baud rate for the MCP2150 serial port (the TX and
RX pins) is configured by the state of the BAUD1 and
BAUD0 pins. These two device pins are used to select
the baud rate at which the MCP2150 will transmit and
receive serial data (not IR data). Table 2-3 shows the
baud rate configurations.
TABLE 2-3:
SERIAL BAUD RATE
SELECTION VS. FREQUENCY
2.5.2
TRANSMITTING
When the controller sends serial data to the MCP2150,
the controller’s baud rate is required to match the baud
rate of the MCP2150’s serial port.
2.5.3
RECEIVING
When the controller receives serial data from the
MCP2150, the controller’s baud rate is required to
match the baud rate of the MCP2150’s serial port.
BAUD1:BAUD0
Baud Rate @
11.0592 MHz
Bit Rate
00
9600
FOSC / 1152
01
19200
FOSC / 576
10
57600
FOSC / 192
11
115200
FOSC / 96
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