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參數(shù)資料
| 型號： | M37510M6 |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機 |
| 文件頁數(shù)： | 20/43頁 |
| 文件大?。?/td> | 614K |
| 代理商： | M37510M6 |
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20
7510 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Serial I/O Control Register
SIO1CON (001A
16
), SIO2CON (0032
16
)
The serial I/O control register consists of eight control bits for the
serial I/O function.
UART Control Register
UART1CON (001B
16
), UART2CON (0033
16
)
The UART control register consists of four control bits (bits 0 to 3)
which are valid when asynchronous serial I/O is selected and set
the data format of an data transfer. One bit in this register (bit 4) is
always valid and sets the output structure of the P4
5
/T
X
D
1
(P3
1
/
T
X
D
2
) pin.
Serial I/O Status Register
SIO1STS (0019
16
), SIO2STS (0031
16
)
The read-only serial I/O status register consists of seven flags
(bits 0 to 6) which indicate the operating status of the serial I/O
function and various errors.
Three of the flags (bits 4 to 6) are valid only in UART mode.
The receive buffer full flag (bit 1) is cleared to “0” when the receive
buffer is read.
If there is an error, it is detected at the same time that data is
transferred from the receive shift register to the receive buffer, and
the receive buffer full flag is set. Writing to the serial I/O status reg-
ister clears all the error flags OE, PE, FE, and SE (bit 3 to bit 6,
respectively). Writing “0” to the serial I/O enable bit SIOE (bit 7 of
the serial I/O control register) also clears all the status flags, in-
cluding the error flags.
All bits of the serial I/O status register are initialized to “0” at reset,
but if the transmit enable bit (bit 4) of the serial I/O control register
has been set to “1”, the transmit shift completion flag (bit 2) and
the transmit buffer empty flag (bit 0) become “1”.
Transmit Buffer Register/Receive Buffer Register
TB1/RB1 (0018
16
), TB2/RB2 (0030
16
)
The transmit buffer register and the receive buffer register are lo-
cated at the same address. The transmit buffer register is
write-only and the receive buffer register is read-only.
If a character bit length is 7 bits, the MSB of data stored in the re-
ceive buffer register is “0”.
Baud Rate Generator
BRG1 (001C
16
), BRG2 (0034
16
)
The baud rate generator determines the baud rate for serial trans-
fer.
The baud rate generator divides the frequency of the count source
by 1/(n+1), where n is the value written to the baud rate generator.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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