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参数资料
| 型号： | M30302MC-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件页数： | 15/178页 |
| 文件大小： | 2734K |
| 代理商： | M30302MC-XXXFP |
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Clock asynchronous serial I/O (UART) mode
110
Mitsubishi microcomputers
M16C / 30 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Item
Specification
Transfer data format
Character bit (transfer data): 7 bits, 8 bits, or 9 bits as selected
Start bit: 1 bit
Parity bit: Odd, even, or nothing as selected
Stop bit: 1 bit or 2 bits as selected
Transfer clock
When internal clock is selected (bit 3 at addresses 03A016, 03A816, 037816 = “0”) :
fi/16(n+1) (Note 1) fi = f1, f8, f32
When external clock is selected (bit 3 at addresses 03A016, 03A816 =“1”) :
fEXT/16(n+1) (Note 1) (Note 2) (Do not set external clock for UART2)
Transmission/reception control
_______
CTS function, RTS function, CTS and RTS function invalid: selectable
Transmission start condition
To start transmission, the following requirements must be met:
- Transmit enable bit (bit 0 at addresses 03A516, 03AD16, 037D16) = “1”
- Transmit buffer empty flag (bit 1 at addresses 03A516, 03AD16, 037D16) = “0”
_______
- When CTS function selected, CTS input level = “L”
Reception start condition
To start reception, the following requirements must be met:
- Receive enable bit (bit 2 at addresses 03A516, 03AD16, 037D16) = “1”
- Start bit detection
Interrupt request
When transmitting
generation timing
- Transmit interrupt cause select bits (bits 0,1 at address 03B016, bit4 at
address 037D16) = “0”: Interrupts requested when data transfer from UARTi
transfer buffer register to UARTi transmit register is completed
- Transmit interrupt cause select bits (bits 0, 1 at address 03B016, bit4 at
address 037D16) = “1”: Interrupts requested when data transmission from
UARTi transfer register is completed
When receiving
- Interrupts requested when data transfer from UARTi receive register to
UARTi receive buffer register is completed
Error detection
Overrun error (Note 3)
This error occurs when the next data is ready before contents of UARTi
receive buffer register are read out
Framing error
This error occurs when the number of stop bits set is not detected
Parity error
This error occurs when if parity is enabled, the number of 1’s in parity and
character bits does not match the number of 1’s set
Error sum flag
This flag is set (= 1) when any of the overrun, framing, and parity errors is
encountered
(2) Clock asynchronous serial I/O (UART) mode
The UART mode allows transmitting and receiving data after setting the desired transfer rate and transfer
data format. Tables 1.16.5 and 1.16.6 list the specifications of the UART mode. Figure 1.16.16 shows
the UARTi transmit/receive mode register.
Table 1.16.5. Specifications of UART Mode (1)
Note 1: ‘n’ denotes the value 0016 to FF16 that is set to the UARTi bit rate generator.
Note 2: fEXT is input from the CLKi pin.
Note 3: If an overrun error occurs, the UARTi receive buffer will have the next data written in. Note also that
the UARTi receive interrupt request bit does not change.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M30302MC-XXXGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302MDP-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302MDP-XXXGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302MEP-XXX | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30302MEP-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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