參數(shù)資料
型號: S1C63455F
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 4.1 MHz, MICROCONTROLLER, PQFP128
封裝: PLASTIC, QFP5-128
文件頁數(shù): 5/119頁
文件大?。?/td> 865K
代理商: S1C63455F
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
with DATA SLICER and ON-SCREEN DISPLAY CONTROLLER
MITSUBISHI MICROCOMPUTERS
101
Rev. 1.0
M306H1SFP
Item
Specification
Transfer data format
Transfer data length: 8 bits
Transfer clock
When internal clock is selected (bit 3 at addresses 03A016, 03A816, 037816
= “0”) : fi/ 2(n+1) (Note 1)
fi = f1, f8, f32
When external clock is selected (bit 3 at addresses 03A016, 03A816, 037816
= “1”) : Input from CLKi pin
Transmission/reception control
CTS function/RTS function/CTS, RTS function chosen to be invalid
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”
Furthermore, if external clock is selected, the following requirements must also be met:
_ CLKi polarity select bit (bit 6 at addresses 03A416, 03AC16, 037C16) = “0”:
CLKi input level = “H”
_ CLKi polarity select bit (bit 6 at addresses 03A416, 03AC16, 037C16) = “1”:
CLKi 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”
_ Transmit enable bit (bit 0 at addresses 03A516, 03AD16, 037D16) = “1”
_ Transmit buffer empty flag (bit 1 at addresses 03A516, 03AD16, 037D16) = “0”
Furthermore, if external clock is selected, the following requirements must
also be met:
_ CLKi polarity select bit (bit 6 at addresses 03A416, 03AC16, 037C16) = “0”:
CLKi input level = “H”
_ CLKi polarity select bit (bit 6 at addresses 03A416, 03AC16, 037C16) = “1”:
CLKi input level = “L”
When transmitting
_ Transmit interrupt cause select bit (bits 0, 1 at address 03B016, bit 4 at
address 037D16) = “0”: Interrupts requested when data transfer from UARTi
transfer buffer register to UARTi transmit register is completed
_ Transmit interrupt cause select bit (bits 0, 1 at address 03B016, bit 4 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 2)
2.11.2 Clock synchronous serial I/O mode
The clock synchronous serial I/O mode uses a transfer clock to transmit and receive data. Tables
2.11.2 and 2.11.3 list the specifications of the clock synchronous serial I/O mode. Figur 2.11.10 shows
the UARTi transmit/receive mode register.
Table 2.11.2 Specifications of clock synchronous serial I/O mode (1)
Interrupt request
generation timing
This error occurs when the next data is ready before contents of UARTi
receive buffer register are read out
Note 1: “n” denotes the value 0016 to FF16 that is set to the UART bit rate generator.
Note 2: 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 is not set to “1”.
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