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Mitsubishi

M37451SFP Datasheet Preview

M37451SFP Datasheet

8-Bit CMOS Microcomputer

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MITSUBISHI MICROCOMPUTERS
M37451SSP/FP/GP
8-BIT CMOS MICROCOMPUTER
DESCRIPTION
The M37451SSP/FP/GP is a single-chip microcomputer
designed with CMOS silicon gate technology. It is housed
in a 64-pin shrink plastic molded DIP or a 0.8mm pitch or
0.65mm pitch 80-pin plastic molded OFP. In addition to its
simple instruction sets, the ROM, RAM and 1/0 addresses
are placed on the same memory map to enable easy prog-
ramming. It is suited for office automation equipment and
control devices. The low power consumption made possible
by the use of a CMOS process makes it especially suitable
for battery powered devices requiring low power consump-
tion. It also has a unique feature that enables it to be used
as a slave microcomputer.
M37451SSP/FP/GP has basically the same functions as
M37451 M4-XXXSP/FP/GP except the RAM size and the
fact that these three need external ROM area.
FEATURES
• Number of basic instructions······ ............................. 71
69 MELPS 740 basic instructions+ 2 multiplyldivide in-
structions
• Memory size ROM······ .................................... None
RAM··································· 1024 bytes
• Instruction execution time
(minimum instructions at 12.5 MHz frequency) 0.64,us
• Single power supply·····································5V±10%
• Power dissipation normal operation mode
(at 12.5MHz frequency) ·································40mW
• Subroutine nesting··········· .................. ·128 levels max.
• Interrupt·····················································15 events
• Master CPU bus interface· ............................ ····1 byte
• 16-bit timer······· ..............
·······················3
• 8-bit timer (Serial 110 use) .." .................................. 1
• Serial 1/0 (UART or clock synchronous) ......... ···········1
• A-D converter (8-bit resolution) ·········3 channels (DIP)
8 channels (OFP)
• D-A converter (8-bit resolution) .................. 2 channels
• PWM output with 8-bit prescaler
(Either resolution 8-bit or 16-bit is software selectable) 1
• Programmable 1/0
(Ports P3, P5, P6) .............................................. 24
• Input (Port P4) ································3 (DIP), 8 (OFP)
• Output (Port D-A" D-A2 ) ...•.....••.....••......••...... ·········2
APPLICATION
Slave controller for PPCs, facsimiles and page printers
HDD, optical disk, inverter and industrial motor controllers
Industrial robots and machines
PIN CONFIGURATION (TOP VIEW)
P37 /SRDy ++ 1
P36/SCLK ...... 2
P35/TxD .... 3
1/0 P34 /RxD .... 4
port P3 P33/PWM oUT .... 5
P32/EV3 .... 6
P3,/EV2 .... 7
P30 /EV, ...... 8
P5,/DB, .... 9
P5s/DBs .... 10
P55/DB5 .... 11
1/0
port P5
P54 /DB4 .... 12
P53/DB3 .... 13
P52/0B2 """ 14
P5,/DB, .... 15
P50/DBo .... 16
P6,/W .... 17
Vee
AVss
62 +- VREF ~~~:~~n~neput
t61 -+ D-A, D-A
i60 --. D-A2 output
59
58
-
+-
P40/AN01
P4,/AN,
~ntr~~4
57 --- P42/AN 2
Address
bus
1/0
port P6
P63/PRDY - 21
P62/1NT, .... 22
P6o/lNT, .... 24
Read/Write
status output
Synchronous SYNC"""" 26
signal output
Reset Input
Clock Input
Clock output
Timing output
Vss
Outline 64P4B
Data bus
3-106
• MITSUBISHI
';"ELECTRIC




Mitsubishi

M37451SFP Datasheet Preview

M37451SFP Datasheet

8-Bit CMOS Microcomputer

No Preview Available !

PIN CONFIGURATION (TOP VIEW)
MITSUBISHI MICROCOMPUTERS
M37451SSP/FP/GP
8-BIT CMOS MICROCOMPUTER
M37451SFP
Outline 80P6N
601159 58 57 56H55 54 53 ~1 50 ~48 47 46 ~4 43 ~41
P42/AN2 _ 61
P41 / A N l _
P4o/ANo _
~63
1!1O-A2 .-
D-Al _ 65
DAVREF _
ADVREF _
~67
0
~ -A15
39 NC
38 -Do
37 - D,
Rl _D,~ -D2
- D3
3'
AVss
AVec
Vee
Vss
P37 /SRDy _
P36/SClK -
"69
70
71
72
73
M37451SGP
*- D5
32 __DD67
~30 Vss
~28
NC
P3s/Tx D - 74
P34/Rx D - 75
P33/PWM OUT - 76
P32/EV3 ++ 77
NC 7B
NC 79
P31 /EV2 _ 80
0
~ - XOUT
26 _X'N
rll NC
24 _ RESET
0 ~~ +- CNVss
_ RESEToUT
21 _ SYNC
1 2 3 4 5116 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Outline 80P6S
NC : No connection
• MITSUBISHI
. . . .ELECTRIC
3-107


Part Number M37451SFP
Description 8-Bit CMOS Microcomputer
Maker Mitsubishi
Total Page 19 Pages
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