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參數(shù)資料
| 型號(hào)： | M30623M4A-XXXGP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 14 X 14 MM, 0.65 MM PITCH, PLASTIC, QFP-80 |
| 文件頁數(shù)： | 33/143頁 |
| 文件大?。?/td> | 3168K |
| 代理商： | M30623M4A-XXXGP |
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Mitsubishi microcomputers
M16C / 62A Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
S I/O3, 4
125
Table 1.14.13. Specifications of S I/O3, 4
Note 1: n is a value from 0016 through FF16 set in the S I/Oi bit rate generator (i = 3, 4).
Note 2: With the external clock selected:
Before data can be written to the SI/Oi transmit/receive register (addresses 036016, 036416), the
CLKi pin input must be in the high state. Also, before rewriting the SI/Oi control register (addresses
036216, 036616)’s bit 7 (SOUTi initial value set bit), make sure the CLKi pin input is held high.
The S I/Oi circuit keeps on with the shift operation as long as the synchronous clock is entered in it,
so stop the synchronous clock at the instant when it counts to eight. The internal clock, if selected,
automatically stops.
Note 3: If the internal clock is used for the synchronous clock, the transfer clock signal stops at the “H” state.
Note 4: SI/O3 is provided with no connection to the external pin, so is used exclusively for transmission.
Item
Transfer data format
Transfer clock
Conditions for
transmission/
reception start
Interrupt request
generation timing
Select function
Precaution
Specifications
Transfer data length: 8 bits
With the internal clock selected (bit 6 of 036216, 036616 = “1”): f1/2(ni+1),
f8/2(ni+1), f32/2(ni+1) (Note 1)
With the external clock selected (bit 6 of 036216, 036616 = 0):Input from the CLKi terminal (Note 2)
To start transmit/reception, the following requirements must be met:
- Select the synchronous clock (use bit 6 of 036216, 036616).
Select a frequency dividing ratio if the internal clock has been selected (use bits
0 and 1 of 036216, 036616).
- SOUTi initial value set bit (use bit 7 of 036216, 036616)= 1.
- S I/Oi port select bit (bit 3 of 036216, 036616) = 1.
- Select the transfer direction (use bit 5 of 036216, 036616)
-Write transfer data to SI/Oi transmit/receive register (036016, 036416)
To use S I/Oi interrupts, the following requirements must be met:
- Clear the SI/Oi interrupt request bit before writing transfer data to the SI/Oi
transmit/receive register (bit 3 of 004916, 004816) = 0.
Rising edge of the last transfer clock. (Note 3)
LSB first or MSB first selection
Whether transmission/reception begins with bit 0 (LSB) or bit 7 (MSB) can be
selected.
Function for setting an SOUTi initial value selection
When using an external clock for the transfer clock, the user can choose the
SOUTi pin output level during a non-transfer time. For details on how to set, see
Figure 1.14.33.
Unlike UART0–2, SI/Oi (i = 3, 4) is not divided for transfer register and buffer.
Therefore, do not write the next transfer data to the SI/Oi transmit/receive register
(addresses 036016, 036416) during a transfer.
When the internal clock is selected for the transfer clock, SOUTi holds the last data
for a 1/2 transfer clock period after it finished transferring and then goes to a high-
impedance state. However, if the transfer data is written to the SI/Oi transmit/
receive register (addresses 036016, 036416) during this time, SOUTi is placed in
the high-impedance state immediately upon writing and the data hold time is
thereby reduced.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M30623M4T-243GP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M4T-245GP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M4T-246GP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M4-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M30623M6P-XXXGP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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