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TMP93CS44 bảng dữ liệu(PDF) 13 Page - Toshiba Semiconductor

tên linh kiện TMP93CS44
Giải thích chi tiết về linh kiện  CMOS 16-Bit Microcontroller
PDF  224 Pages
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nhà sản xuất  TOSHIBA [Toshiba Semiconductor]
Trang chủ  http://www.semicon.toshiba.co.jp/eng
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TMP93CS44 bảng dữ liệu(HTML) 13 Page - Toshiba Semiconductor

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TMP93CS44/S45
2004-02-10
93CS44-11
3.1.2
AM8/ AM16 pin
(1) TMP93CS44
Set this pin to “H”. After reset, the CPU accesses the internal ROM with 16-bit bus
width. The bus width when the CPU accesses an external area is set by bus width/wait
control registers and the registers of port 1, which are described in section 3.6.3. (The
value of this pin is ignored and the value set by register is active.)
(2) TMP93CS45
1. With fixed 16-bit data bus external 16-bit data bus or 8-bit data bus is selectable
Set this pm to “L”. Port 1, AD8 to AD15 and A8 to A15 pins are fixed to AD8 to
AD15 functions. The values set in port 1 control register and port 1 function
register are invalid.
The external data bus width is set by the bus width/wait control register which
is described in section 3.6.3.
It is necessary to set the program memory to be accessed to 16-bit data bus after
reset.
2. With fixed external 8-bit data bus
Set this pin to “H”. Port l, AD8 to AD15 and A8 to A15 pins are fixed to A8 to
A15 functions. The values set in port 1 control register and port 1 function register
are invalid.
The values of bit4 <B0BUS>, <B1BUS> and <B2BUS> in the bus width/wait
control register described in section 3.6.3 are invalid. The external 8-bit data bus
is fixed.



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