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TMP93CS44 датащи(PDF) 79 Page - Toshiba Semiconductor

номер детали TMP93CS44
подробное описание детали  CMOS 16-Bit Microcontroller
PDF  224 Pages
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производитель  TOSHIBA [Toshiba Semiconductor]
домашняя страница  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMP93CS44 датащи(HTML) 79 Page - Toshiba Semiconductor

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TMP93CS44/S45
2004-02-10
93CS44-77
3.6.5
Example of Usage
(1) Example of usage-1
Figure 3.6.2 is an example in which an external memory is connected to the
TMP93CS45. In this example, a ROM is connected using 16-bit bus; a RAM is
connected using 8-bit bus.
Figure 3.6.2 Example of External Memory Connection (ROM = 16 bits, RAM and I/O = 8 bits)
WAITC0
EQU
68H
WAITC1
EQU
69H
WAITC2
EQU
6AH
LD
(WAITC0),
XXX10000B
; WAITC0
= 8 bits, 2 waits, 7F00H to 7FFFH.
LD
(WAITC1),
XXX11100B
; WAITC1
= 8 bits, 0 waits, 880H to 7EFFH.
LD
(WAITC2),
XXX00111B
; WAITC2
= 16 bits, 1 wait, C00000H to FFFFFFH.
X: Don’t care
TMP93CS45
D
Q
LE
74HC573
Decoder
Upper
Address
ALE
AD8
to
AD15
AD0
to
AD7
RD
WR
EA
AM8/ AM16
CS
Upper byte
ROM
OE
CS
Lower byte
ROM
OE
CS
8-bit bus
RAM
OE
WE
CS
8-bit bus
I/O
OE
WE
D
Q
LE
IOCS
RAMCS
ROMCS
Address bus



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