參數(shù)資料
型號： M37920FCCGP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
封裝： 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù)： 152/158頁
文件大?。?/td> 1261K
代理商： M37920FCCGP
93
M37920FCCGP, M37920FCCHP
M37920FGCGP, M37920FGCHP
PRELIMINAR
Y
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
MITSUBISHI MICROCOMPUTERS
Fig. 88 Block diagram of DRAM controller
Table 19. Functions of DRAM-related signals
Table 20. Relationship between external data bus width and multiplexed addresses
Bus Interface Unit (BIU)
Chip select
wait controller
DRAM
control signal
generating circuit
RASj
CAS (UCAS/LCAS)
W (WRH/WRL)
MA0–MA11
DRAM space
designation bit
Address
Refresh request
DRAM control
register
DRAM controller
Address
multiplexer
Refresh timer
1/ (n + 1)
1/2
DRAM space designation bit: bit 4 at addresses 8216, 8416, 8616
j = 1 to 3
b7
b0
1/16
φ
(Address A916)
(Address A816)
Valid/Invalid
External data bus width = 16 bits
“L” when a column address at an odd-numbered address is output.
“L” when a row address is output.
“L” when a column address at an even-numbered address is output.
External data bus width = 8 bits
“L” when a row address is output.
“H” output (Fixed)
“L” when data at an even-numbered address is written.
“L” when data is written.
Signal
Multiplexed address output
“L” when data at an odd-numbered address is written.
“H” output (Fixed)
Functions
MA0–MA11
RASj (j = 1 to 3)
CAS
LCAS
UCAS
WRL
WRH
W
Pin name
External data
bus width = 8 bits
Row address
Column address
Row address
Column address
External data
bus width = 16 bits
Output
signal
A8/MA0
A9/MA1
A10/MA2 A11/MA3 A12/MA4 A13/MA5 A14/MA6 A15/MA7 A16/MA8 A18/MA9 A20/MA10 A22/MA11
A8
A0
A8
A0
: These signals are not used.
A9
A1
A9
A1
A10
A2
A10
A2
A11
A3
A11
A3
A12
A4
A12
A4
A13
A5
A13
A5
A14
A6
A14
A6
A15
A7
A15
A7
A16
A17
A16
A8
A18
A19
A18
A17
A20
A21
A20
A19
A22
A23
A22
A21
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37920FCCHP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
M37920FGCGP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
M37920FGCHP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER FLASH MEMORY VERSION
M37920S4CGP 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:16 BIT CMOS MICROCOMPUTER
M37P75C4P3 功能描述:汽車連接器 Pin Contact RoHS:否 制造商:Amphenol SINE Systems 產(chǎn)品:Contacts 系列:ATP 位置數(shù)量: 型式:Female 安裝風(fēng)格: 端接類型: 觸點電鍍:Nickel
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