MB89610R 데이터 시트보기 (PDF) - Fujitsu
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MB89610R Datasheet PDF : 44 Pages
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MB89610R Series
s PIN DESCRIPTION
SH-
DIP*1,
MDIP*2
Pin no.
QFP1*3 SQFP*5
MQFP*4 QFP2*6
Pin name
Circuit
type
Function
30
23
22 X0
A Crystal oscillator pins
31
24
23 X1
28
21
20 MOD0
29
22
21 MOD1
B Operating mode selection pins
Connected directly to VCC or VSS.
27
20
19 RST
C Reset I/O pin
This pin is an N-ch open-drain output type with a pull-up
resistor, and a hysteresis input type. “L” is output from
this pin by an internal reset source. The internal circuit
is initialized by the input of “L”.
56 to 49 49 to 42 48 to 41 P00/AD0 to
P07/AD7
D General-purpose I/O ports
When an external bus is used, these ports function as
multiplex pins of lower addresses output and data I/O.
48 to 41 41 to 34 40 to 33 P10/A08 to
P17/A15
D General-purpose I/O ports
When an external bus is used, these ports function as
upper addresses output.
40
33
32 P20/BUFC
F General-purpose output-only port
When an external bus is used, this port can also be
used as a buffer control output by setting of BCTR.
39
32
31 P21/HAK
F General-purpose output-only port
When an external bus is used, this port can also be
used as a hold acknowledge output by setting of BCTR.
38
31
30 P22/HRQ
D General-purpose output-only port
When an external bus is used, this port can also be
used as a hold request input by setting of BCTR.
37
30
29 P23/RDY
D General-purpose output-only port
When an external bus is used, this port functions as a
ready input.
36
29
28 P24/CLK
F General-purpose output-only port
When an external bus is used, this port functions as a
clock output.
35
28
27 P25/WR
F General-purpose output-only port
When an external bus is used, this port functions as a
write signal output.
34
27
26 P26/RD
F General-purpose output-only port
When an external bus is used, this port functions as a
read signal output.
33
26
25 P27/ALE
F General-purpose output-only port
When an external bus is used, this port functions as an
address latch signal output.
*1: DIP-64P-M01, DIP-64C-A06
*2: MDP-64C-P02
*3: FPT-64P-M06
*4: MQP-64C-P01
*5: FPT-64P-M03
*6: FPT64P-M09
(Continued)
8
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