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| 型号： | M306H2MC-XXXFP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP116 |
| 封装： | 20 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-116 |
| 文件页数： | 20/32页 |
| 文件大小： | 2643K |
| 代理商： | M306H2MC-XXXFP |
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SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
with DATA ACQUISITION CONTROLLER
MITSUBISHI MICROCOMPUTERS
27
Rev. 1.0
M306H2MC-XXXFP
_____
________
Figure 2.4.5 Example of RD signal extended by RDY signal
BCLK
RD
CSi
(i=0 to 3)
RDY
tsu(RDY - BCLK)
BCLK
RD
CSi
(i=0 to 3)
RDY
tsu(RDY - BCLK)
In an instance of separate bus
In an instance of multiplexed bus
Accept timing of RDY signal
: Wait using RDY signal
: Wait using software
Accept timing of RDY signal
________
Note: The RDY signal cannot be received immediately prior to a software wait.
Table 2.4.6 Microcomputer status in ready state (Note)
Item
Status
Oscillation
On
___
_____
R/W signal, address bus, data bus, CS
________
Maintain status when RDY signal received
__________
ALE signal, HLDA, programmable I/O ports
Internal peripheral circuits
On
________
(5) The RDY signal
________
RDY is a signal that facilitates access to an external device that requires long access time. As shown
________
in Figure 2.4.5, if an “L” is being input to the RDY at the BCLK falling edge, the bus turns to the wait
________
state. If an “H” is being input to the RDY pin at the BCLK falling edge, the bus cancels the wait state.
Table 2.4.6 shows the state of the microcomputer with the bus in the wait state, and Figure 2.4.5
____
________
shows an example in which the RD signal is prolonged by the RDY signal.
________
The RDY signal is valid when accessing the external area during the bus cycle in which bits 4 to 7 of
________
the chip select control register (address 000816) are set to “0”. The RDY signal is invalid when setting
________
“1” to all bits 4 to 7 of the chip select control register (address 000816), but the RDY pin should be
treated as properly as in non-using.
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PDF描述 |
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| M306H7FGFP | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP100 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| M306H2T-RPD-E | 制造商:Renesas Electronics Corporation 功能描述:EMULATION POD, M16C6H GROUP (M306H2) - Bulk |
| M306H3FCFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER |
| M306H3FCFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 128KB FLASH 5V 116LQFP - Trays |
| M306H3MC-XXXFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER |
| M306H5FGFP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SNGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER |
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