参数资料
型号: MCP2140A-I/P
厂商: Microchip Technology
文件页数: 65/66页
文件大小: 0K
描述: IC IRDA CONTROLLR DTE/DCE 18DIP
标准包装: 25
控制器类型: IRDA 标准协议栈控制器
接口: UART
电源电压: 3 V ~ 5.5 V
电流 - 电源: 2.2mA
工作温度: -40°C ~ 125°C
安装类型: 通孔
封装/外壳: 18-DIP(0.300",7.62mm)
供应商设备封装: 18-PDIP
包装: 管件
产品目录页面: 685 (CN2011-ZH PDF)
配用: MCP2140DM-TMPSNS-ND - BOARD DEMO FOR MCP2140
MCP2140A
DS22050B-page 8
2007-2011 Microchip Technology Inc.
2.3.1.2
External Clock
For applications where a clock is already available
elsewhere, users may directly drive the MCP2140A
provided that this external clock source meets the AC/
DC timing requirements listed in Section 4.3 “Timing
how an external clock circuit should be configured.
FIGURE 2-2:
EXTERNAL CLOCK
2.3.2
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 varia-
tion
in
frequency
(specified
by
the
crystal
manufacturer).
Clock From
external
MCP2140A
CLKI
system
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