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参数资料
型号： M37641F8HP
元件分类： 微控制器/微处理器
英文描述： 8-BIT, FLASH, 24 MHz, MICROCONTROLLER, PQFP80
封装： 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数： 65/136页
文件大小： 1672K
代理商： M37641F8HP
34
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
UTXD output (P84/UTXD1,
P80/UTXD2/SRDY)
D0
D1
SP
ST
D2
D3
D4
D5
D6
D7
P
SP
Transfer clock
Tranmit enable bit
Transmit buffer
empty flag
Transmit complete flag
D0
D1
D2
D3
D4
D5
D6
D7
ST
P
D0
D1
ST
Data set into UARTx transmit buffer register 1
Data transferring from UARTx transmit
buffer register 1 to Transmit shift register 1
This timing applies to the conditions:
Character length = 8 bits
Parity enabled
1 stop bit
RTS (Request-to-Send) Function
As a receiver, the UART can be configured to generate the Re-
quest-to-Send (RTSx) handshaking signal. This is enabled by
setting the RTS Function Enable Bit (bit 6 of UxCON) to “1”.
When reception is enabled, that is the Receive Enable Bit is “1”,
the RTSx pin goes “L” to inform a transmitter that reception is pos-
sible. The RTSx pin goes “H” at reception starting and does “L” at
receiving of the last bit.
The delay time from the reception of the last stop bit to the asser-
tion of RTSx is selectable using the RTS Assertion Delay Count
Select Bits.
BRGx (x = 1, 2)
count source
D0
URXD (P85/URXD1,
P81/URXD2/SCLK)
ST
SP
D1
D7
RTSx pin (P87/RTS1,
P83/RTS2/STXD)
Receive enable bit
Receive buffer
empty flag
Transfer clock
Transfer clock generated at falling edge
of start bit and receive started
Receive data latched
Data transferring from UARTx receive register
1 to Receive buffer register 1 (Note)
Note: When no RTS assertion delay, the RTSx pin goes “L”.
The RTS assertion delay counts are selected by bits 4 to 7 of UARTx RTS control register.
This timing applies to the conditions:
Character length = 8 bits
Parity enabled
1 stop bit
Fig. 28 UARTx transmit timing (CTS function disbled)
When the Receive Enable Bit is set to “0” or the Receive initializa-
tion bit is set to “1”, the RTSx pin goes “H”. Even when the
Receive Enable Bit is set to “1”, the RTSx pin goes “H” if detecting
an invalid start bit.
Figure 29 shows the UARTx receive timing.
Fig. 29 UARTx transmit timing (RTS function enabled)
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相关代理商/技术参数
参数描述
M37641F8HP#U0 功能描述:IC 740 MCU FLASH 32K 80LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:740/7600 产品培训模块:Graphics LCD System and PIC24 Interface Asynchronous Stimulus 标准包装:27 系列:PIC® 24H 核心处理器:PIC 芯体尺寸:16-位 速度:40 MIP 连通性:I²C，SPI，UART/USART 外围设备:欠压检测/复位，POR，PWM，WDT 输入/输出数:21 程序存储器容量:12KB（4K x 24） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):3 V ~ 3.6 V 数据转换器:A/D 10x10b/12b 振荡器型:内部 工作温度:-40°C ~ 85°C 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 包装:管件 产品目录页面:648 (CN2011-ZH PDF) 配用:AC164339-ND - MODULE SKT FOR PM3 28SOICDV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
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