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TMP93CS41 数据表(PDF) 68 Page - Toshiba Semiconductor

部件名 TMP93CS41
功能描述  CMOS 16-Bit Microcontroller
PDF  248 Pages
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制造商  TOSHIBA [Toshiba Semiconductor]
网页  http://www.semicon.toshiba.co.jp/eng
标志 TOSHIBA - Toshiba Semiconductor

TMP93CS41 数据表(HTML) 68 Page - Toshiba Semiconductor

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TMP93CS40/TMP93CS41
2004-02-10
93CS40-66
Port 3 Register
7
6
5
4
3
2
1
0
P3
Bit symbol
P37
P36
P35
P34
P33
P32
P31
P30
(0007H)
Read/Write
R/W
After reset
1
1
1
1
1
1
1
1
Function
Input mode (Pull up)
Output mode
Port 3 Control Register
7
6
5
4
3
2
1
0
P3CR
Bit symbol
P37C
P36C
P35C
P34C
P33C
P32C
(000AH)
Read/Write
W
After reset
0
0
0
0
0
0
Function
0: Input
1: Output
Port 3 Function Register
7
6
5
4
3
2
1
0
P3FC
Bit symbol
P37F
P36F
P35F
P34F
P32F
P31F
P30F
(000BH)
Read/Write
W
W
After reset
0
0
0
0
0
0
0
Function
0: Port
1: RAS
0: Port
1: R/ W
0: Port
1: BUSAK
0: Port
1: BUSRQ
0: Port
1: HWR
0: Port
1: WR
0: Port
1: RD
Figure 3.5.9 Registers for Port 3
I/O setting
0
Input
1
Output
R/ W setting
P3FC<P36F>
1
P3CR<P36C>
1
RAS
setting
P3FC<P37F>
1
P3CR<P37C>
1
Note 1: Read-modify-write is
prohibited for registers
P3CR and P3FC.
Note 2: When port P3 is used in the
input mode, the P3 register
controls the built-in pull-up
resistor. Read-modify-write
is prohibited in the input
mode or the I/O mode, as it
may affect the states of the
pull-up/pull-down resistors.
Note 3: When the P33/WAIT pin is
used as a WAIT pin, set
P3CR<P33C> to “0” and
set the chip select/WAIT
control register <BnW1:0>
to “10”.
BUSRQ
setting
P3FC<P34F>
1
P3CR<P34C>
0
BUSAK
setting
P3FC<P35F>
1
P3CR<P35C>
1
<P30>
<P30F>
0
1
0
“0” output
“1” output
1
Always RD
output
(for pseudo
SRAM)
RD
output
only for
external
access
P30 ( RD ) function setting
<P31>
<P31F>
0
1
0
“0” output
“1” output
1
WR
output only for
external access
P31 ( WR ) function setting
HWR
setting
P3FC<P32F>
1
P3CR<P32C> 1



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