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TMP93CS41 데이터시트(PDF) 97 Page - Toshiba Semiconductor

부품명 TMP93CS41
상세설명  CMOS 16-Bit Microcontroller
PDF  248 Pages
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제조업체  TOSHIBA [Toshiba Semiconductor]
홈페이지  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP93CS41 데이터시트(HTML) 97 Page - Toshiba Semiconductor

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TMP93CS40/TMP93CS41
20004-02-10
93CS40-95
(3) Example of usage -3
Figure 3.6.3 is an example in which an external memory is connected to the
TMP93CS40. In this example, a 128-Kbyte ROM is connected using a 16-bit bus, and a
256-Kbyte RAM is connected using a 16-bit bus.
Figure 3.6.3 Example of External Memory Connection (ROM & RAM
= 16 bits)
The TMP93CS40 has built-in ROM and RAM. When ROM and RAM have
insufficient capacity, it is possible to connect an external memory following the usage
examples for this purpose. In this example, the memory configuration is as follows.
Memory
Memory Size
Address
CS
Pin
Data Bus
Internal
64 Kbytes
008000H to 017FFFH
−
16 bits
ROM
External
128 Kbytes
400000H to 41FFFFH
CS2
16 bits
Internal
2 Kbytes
000080H to 00087FH
−
16 bits
SRAM
External
256 Kbytes
800000H to 83FFFFH
CS2
16 bits
TMP93CS40
A16 to A17
AD8 to AD15
AD0 to AD7
ALE
CS2
RD
HWR
CS1
WR
AM8/ AM16
EA
Latch
× 16
ROM (128 Kbits
× 16)
A15
D8 to D15
A0 to A14
D0 to D7
OE
CE
RAM (128 Kbits
× 8)
A15 to A16
A0 to A14
OE
W
R/
CE 1
RAM (128 Kbits
× 8)
A15 to A16
A0 to A14
OE
W
R/
CE
1
A16 to A17
A16
A1 to A15
A1 to A15
A16 to A17
A1 to A15
D
Q
LE
I/O1 to 8
I/O1 to 8
Upper byte
Lower byte



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