參數(shù)資料
型號(hào): M37920FCCHP
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 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件頁數(shù): 153/158頁
文件大?。?/td> 1261K
代理商: M37920FCCHP
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
94
Fig. 89 Bit configuration of CSj control register L with use of DRAM controller (j = 1 to 3)
7
6
543
2
1
0
CS1 control register L
CS2 control register L
CS3 control register L
Area CSj wait number select bits
0 1 : 1 wait
Address
8216
8416
8616
CSj output select bit
1 : CSj output is enabled. (Port pin P9j functions as pin CSj. RAS output is enabled.)
Note: In order to use the DRAM controller, setup for bits 0, 1, 4 to 7 are necessary as above.
1
0
1
0
1
0
External data bus width select bit
0 : 16-bit width
1 : 8-bit width
Invalid. (It may be “0” or “1”.)
DRAM space designation select bit
1: DRAM space
Burst ROM access select bit
0 : Normal access
Recovery cycle insert select bit
0 : No recovery cycle is inserted at access to area CSj.
X
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