MB91F192PFF 데이터 시트보기 (PDF) - Fujitsu
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MB91F192PFF Datasheet PDF : 33 Pages
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MB91191/192 Series
s PIN DESCRIPTIONS
Pin No.
Pin Name
Circuit
Type
Function
1 X0 (I)
2 X1 (O)
A Crystal oscillator pins
3
VSS
VSS pin
4 MD2
5 MD1
6 MD0
B
Operation mode setting pins
CMOS Schmitt inputs
7 RST
B Reset input pin. CMOS Schmitt input.
8 P70/XOUT
C Shared pin with clock output (X0/2, PCK/2) . CMOS input.
9 P67/T40
Shared pin with timer 4 square wave output. CMOS input.
10 P66/T501
Shared pin with timer 5 square wave output. CMOS input.
11 P65
General-purpose I/O port. CMOS input.
12 P64
13 P63/ALE/ALE
General-purpose I/O port. CMOS input.
C
Shared pin with address strobe output. CMOS input.
14 P62/P62/WR1
Shared pin with write strobe output 1. CMOS input.
15 P61/WR0/WR0
Shared pin with write strobe output 0. CMOS input.
16 P60/RD/RD
Shared pin with read strobe output. CMOS input.
17 P20/P20/D16 : A00
18 P21/P21/D17 : A01
19 P22/P22/D18 : A02
20 P23/P23/D19 : A03
21 P24/P24/D20 : A04
C
General-purpose I/O ports.
CMOS inputs.
22 P25/P25/D21 : A05
23 P26/P26/D22 : A06
24 P27/P27/D23 : A07
25 VDD
Power supply pin
26 P30/D24 : A00/D24 : A08
27 P31/D25 : A01/D25 : A09
28 P32/D26 : A02/D26 : A10
29
30
P33/D27 : A03/D27 : A11
P34/D28 : A04/D28 : A12
C
Shared external bus pins and high-current I/O ports.
CMOS inputs.
31 P35/D29 : A05/D29 : A13
32 P36/D30 : A06/D30 : A14
33 P37/D31 : A07/D31 : A15
34 VSS
VSS pin
(Continued)
6
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