參數(shù)資料
型號: MB90P641A
廠商: Fujitsu Limited
英文描述: 16-bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 25/96頁
文件大小: 1569K
代理商: MB90P641A
25
MB90640A Series
(Continued)
*5: Using a read-modify-write instruction (such as the bit set instruction) to access one of the registers indicated
by R/W!, R/W*, or W in the read/write column sets the specified bit to the desired value. However, this can
cause misoperation if the other register bits include write-only bits. Therefore, do not use read-modify-write
instructions to access these registers.
*6: This register is only available when the address/data bus is in multiplex mode and in single-chip mode. Access
to the register is prohibited in non-multiplex mode.
*7: This register is only available when the external data bus is in 8-bit mode and in single-chip mode. Access to
the register is prohibited in 16-bit mode.
*8: All bits of DDR0/PDR0, 6-bit/7-bit of DDR5/PDR5 and 0-bit of DDRA/PDRA are available only in single-chip
mode.
*9: The initial value of this register in MB90V640A is “0” and that of in MB90P641A, MB90641A is “1”.
Note: The initial values listed for write-only bits are the initial values set by a reset. Take attention that they are not
the values returned by a read.
Also, LPMCR/CKSCR/WDTC are sometimes initialized and sometimes not initialized, depending on the reset
type. The listed initial values are for when these registers are initialized.
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