MB89647 데이터 시트보기 (PDF) - Fujitsu
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MB89647 Datasheet PDF : 59 Pages
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MB89640 Series
s PIN DESCRIPTION
Pin no.
QFP*1
QFP*2
MQFP*3
11
13
12
14
9
11
10
12
14
16
Pin name
X0
X1
MOD0
MOD1
RST
38 to 31 40 to 33 P00/AD0 to
P07/AD7
30 to 23
22,
21,
18,
15
20,
19
17,
16
46
32 to 25
24,
23,
20,
17
22,
21
19,
18
48
P10/A08 to
P17/A15
P20/BUFC,
P21/HAK,
P24/CLK,
P27/ALE
P22/HRQ,
P23/RDY
P25/WR,
P26/RD
P30/ADST
45
47
P31/SCK1
44,
46, P32/SO1,
43
45
P33/SI1
42
44
P34/EC
*1: FPT-80P-M11
*2: FPT-80P-M06
*3: MQP-80C-P01
Circuit
type
Function
A
Main clock crystal oscillator pins (Max. 10 MHz)
C
Operating mode selection pins
Connect directly to VCC or VSS.
D
Reset I/O pin
This pin is an N-ch open-drain output type with 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”.
E
General-purpose I/O ports
Also serve as multiplex pins of lower address output and
data I/O.
E
General-purpose I/O ports
Also serve as an upper address output.
G
General-purpose output-only ports
Also serve as a bus control signal output.
E
General-purpose output-only ports
Also serve as a bus control signal input.
E
General-purpose output-only ports
Also serve as a bus control signal output.
F
General-purpose I/O port
Also serves as an A/D converter external activation. This
port is a hysteresis input type.
F
General-purpose I/O port
Also serves as the clock I/O for the serial I/O 1. This port
is a hysteresis input type.
F
General-purpose I/O ports
Also serve as the data output for the serial I/O 1. These
ports are a hysteresis input type.
F
General-purpose I/O port
Also serves as the external clock input for the 16-bit timer/
counter. This port is a hysteresis input type.
(Continued)
8
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