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MB90480 Datasheet(PDF) 35 Page - Fujitsu Component Limited.

Part No. MB90480
Description  16-bit Proprietary Microcontroller
Download  120 Pages
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Maker  FUJITSU [Fujitsu Component Limited.]
Homepage  http://edevice.fujitsu.com/fmd/en/index.html
Logo FUJITSU - Fujitsu Component Limited.

MB90480 Datasheet(HTML) 35 Page - Fujitsu Component Limited.

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MB90480/485 Series
35
(3) Port Input Resistance Registers
These registers control the use of pull-up resistance in input mode.
0 : No pull-up resistance in input mode.
1 : With pull-up resistance in input mode.
In output mode, these registers have no function (no pull-up resistance) . Input/output mode settings are
controlled by the setting of port direction (DDR) registers.
In case of a stop (SPL
= 1) , no pull-up resistance is applied (high impedance) . Using of this function is prohibited
when an external bus is used. Do not write to these registers.
(4) Port Output Pin Registers
*1 : The value is set to “
⎯” on MB90485 series only.
*2 : The initial value of this bit is “XX000000B” on MB90485 series only.
These registers control open drain settings in output mode.
0 : Standard output port functions in output mode.
1 : Open drain output port in output mode.
In input mode, these registers have no function (Hi-Z output) . Input/output mode settings are controlled by the
setting of port direction (DDR) registers. Using of this function is prohibited when an external bus is used. Do
not write to these registers.
(5) Analog Input Enable Register
This register controls the port 6 pins as follows.
0 : Port input/output mode.
1 : Analog input mode. The default value at reset is all “1”.
(6) Up/down Timer Input Enable Register
This register controls the port 3 pins as follows.
0 : Port input mode.
1 : Up/down timer input mode.The default value at reset is “0”.
RDR0
Initial value
Access
Address : 00001CH
00000000B
R/W
RDR1
Address : 00001DH
00000000B
R/W
76
5
4
3
2
1
0
RD06
RD07
RD05
RD04
RD03
RD02
RD01
RD00
76
5
4
3
2
1
0
RD16
RD17
RD15
RD14
RD13
RD12
RD11
RD10
ODR7
Initial value
Access
Address : 00001EH
00000000B*2
R/W
ODR4
Address : 00001BH
00000000B
R/W
76
5
4
3
2
1
0
OD75
OD74
OD73
OD72
OD71
OD70
OD76*1
OD77*1
76
5
4
3
2
1
0
OD46
OD47
OD45
OD44
OD43
OD42
OD41
OD40
ADER
Initial value Access
Address : 00001FH
11111111B
R/W
76
5
4
3
2
1
0
ADE6
ADE7
ADE5
ADE4
ADE3
ADE2
ADE1
ADE0
UDER
Initial value
Access
Address : 00000BH
XX000000B
R/W
76
5
4
3
2
1
0
UDE5
UDE4
UDE3
UDE2
UDE1
UDE0


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