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7544 Datasheet

  • 7544

  • 7544Group Datasheet Datasheet 503K/JUN.25.03

  • 497.98KB

  • 54頁

  • ETC

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PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
7544 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
REJ03B0012-0102Z
Rev.1.02
2003.06.25
DESCRIPTION
The 7544 Group is the 8-bit microcomputer based on the 740 fam-
ily core technology.
The 7544 Group has a serial I/O, 8-bit timers, a 16-bit timer, and
an A-D converter, and is useful for control of home electric appli-
ances and office automation equipment.
鈥?/div>
鈥?/div>
鈥?/div>
FEATURES
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Basic machine-language instructions ...................................... 71
The minimum instruction execution time ......................... 0.25 碌s
(at 8 MHz oscillation frequency, double-speed mode for the
shortest instruction)
Memory size ROM ......................................................... 8 K bytes
RAM ........................................................ 256 bytes
Programmable I/O ports ........................................................... 25
Interrupts ................................................. 12 sources, 12 vectors
Timers ............................................................................. 8-bit
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2
...................................................................................... 16-bit
鉁?/div>
1
Serial I/O ...................... 8-bit
鉁?/div>
1 (UART or Clock-synchronized)
A-D converter ................................................. 8-bit
鉁?/div>
6 channels
鈥?/div>
鈥?/div>
Clock generating circuit ............................................. Built-in type
(low-power dissipation by a ring oscillator enabled)
(connect to external ceramic resonator or quartz-crystal oscilla-
tor permitting RC oscillation)
Watchdog timer ............................................................ 16-bit
鉁?/div>
1
Power source voltage
X
IN
oscillation frequency at ceramic/quartz-crystal oscillation, in
double-speed mode
At 8 MHz .................................................................... 4.5 to 5.5 V
X
IN
oscillation frequency at ceramic/quartz-crystal oscillation, in
high-speed mode
At 8 MHz .................................................................... 4.0 to 5.5 V
X
IN
oscillation frequency at RC oscillation
At 4 MHz .................................................................... 4.0 to 5.5 V
Power dissipation ........................................... 22.5mW(standard)
Operating temperature range ................................... 鈥?0 to 85 擄C
APPLICATION
Office automation equipment, factory automation equipment,
home electric appliances, consumer electronics, etc.
PIN CONFIGURATION (TOP VIEW)
P1
2
/S
CLK
P1
3
/S
RDY
P1
4
/CNTR
0
P2
0
/AN
0
P2
1
/AN
1
P2
2
/AN
2
P2
3
/AN
3
P2
4
/AN
4
P2
5
/AN
5
V
REF
RESET
CNV
SS
V
CC
X
IN
X
OUT
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
P1
1
/T
X
D
P1
0
/R
X
D
P0
7
(LED
7
)
P0
6
(LED
6
)
P0
5
(LED
5
)
P0
4
(LED
4
)
P0
3
(LED
3
)/TX
OUT
P0
2
(LED
2
)
P0
1
(LED
1
)
P0
0
(LED
0
)/CNTR
1
P3
7
(LED
13
)/INT
0
P3
4
(LED
12
)/INT
1
P3
3
(LED
11
)
P3
2
(LED
10
)
P3
1
(LED
9
)
P3
0
(LED
8
)
Package type : 32P4B
Fig. 1 Pin configuration (32P4B type)
M37544M2-XXXSP
M37544G2SP
Rev.1.02
2003.06.25
page 1 of 53

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  • 英文版
    7544Group Datasheet Datasheet 503K/JUN.25.03
    ETC

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