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參數(shù)資料
| 型號(hào)： | M37477M8-241FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| 中文描述： | 單芯片8位CMOS微機(jī) |
| 文件頁數(shù)： | 35/47頁 |
| 文件大?。?/td> | 669K |
| 代理商： | M37477M8-241FP |
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35
MITSUBISHI MICROCOMPUTERS
7477/7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Power source
Analog power
source
Reset input
Reset input
Clock input
Clock output
Reference
voltage input
Select mode
I/O port P0
Data I/O D
0
–D
7
I/O port P1
Address input
A
4
–A
10
Input port P2
Address input
A
0
–A
3
Input port P3
Address input
A
11
, A
12
Select
mode V
PP
input
I/O port P4
Address input
A
13
, A
14
Input port P5
V
CC
,V
SS
AV
SS
(Note 1)
RESET
X
IN
X
OUT
V
REF
P0
0
– P0
7
P1
0
– P1
7
P2
0
– P2
7
(Note 2)
P3
0
– P3
3
P4
0
– P4
3
(Note 3)
P5
0
– P5
3
(Note 4)
Single-chip
/EPROM
Single-chip
/EPROM
Single-chip
EPROM
Single-chip
/EPROM
Single-chip
/EPROM
Single-chip
EPROM
Single-chip
EPROM
Single-chip
EPROM
Single-chip
EPROM
Single-chip
EPROM
Single-chip
EPROM
Single-chip
EPROM
Input
Input
Input
Output
Input
Input
I/O
I/O
I/O
Input
Input
Input
Input
Input
I/O
Input
Input
BUILT-IN PROM TYPE MICROCOMPUTERS
PIN DESCRIPTION
Pin
Functions
Mode
Name
Input/
output
Apply voltage of 2.7 to 5.5 V to V
CC
and 0 V to V
SS
.
Ground level input pin for A-D converter. Same voltage as V
SS
is applied.
To enter the reset state, the reset input pin must be kept at a “L” for 2
μ
s or more
(under normal V
CC
conditions).
Connect to V
SS
.
These are I/O pins of internal clock generating circuit for main clock. To control
generating frequency, an external ceramic or a quartz crystal oscillator is con-
nected between the X
IN
and X
OUT
pins. If an external clock is used, the clock
source should be connected the X
IN
pin and the X
OUT
pin should be left open.
Feedback resistor is connected between X
IN
and X
OUT
.
Reference voltage input pin for the A-D converter.
V
REF
works as CE input.
Port P0 is an 8-bit I/O port. The output structure is CMOS output. When this port
is selected for input, pull-up transistor can be connected in units of 1-bit and a
key on wake up function is provided.
Port P0 works as an 8-bit data bus (D
0
to D
7
).
Port P1 is an 8-bit I/O port. The output structure is CMOS output. When this port
is selected for input, pull-up transistor can be connected in units of 4-bit. P1
2
and
P1
3
are in common with timer output pins T
0
, T
1
. P1
4
, P1
5
, P1
6
and P1
7
are in
common with serial I/O pins RxD, TxD, S
CLK
, S
RDY
, respectively.
P1
1
to P1
7
works as the 7-bit address input (A
4
to A
10
). P1
0
must be opened.
Port P2 is an 8-bit input port. This port is in common with analog input pins IN
0
to IN
7.
P2
0
to P2
3
works as the lower 4-bit address input (A
0
to A
3
).
P2
4
to P2
7
must be opened.
Port P3 is a 4-bit input port. P3
0
and P3
1
are in common with external interrupt in-
put pins INT
0
, INT
1
and P3
2
, P3
3
are in common with timer input pins CNTR
0
, CNTR
1
.
P3
0
, P3
1
works as the 2-bit address input (A
11
, A
12
).
P3
2
works as OE input. Connect to P3
3
to V
PP
when programming or verifying.
Port P4 is a 4-bit I/O port. The output structure is CMOS output. When this port is
selected for input, pull-up transistor can be connected in units of 4-bit.
P4
0
and P4
1
works as the higher 2-bit address input (A
13
, A
14
).
P4
2
and P4
3
must be opened.
Port P5 is a 4-bit input port and pull-up transistor can be connected in units of 4-
bit. P5
0
, P5
1
are in common with input/output pins of clock for clock function X
CIN
,
X
COUT
. When P5
0
, P5
1
are used as X
CIN
, X
COUT
, connect a ceramic or a quartz
crystal oscillator between X
CIN
and X
COUT
. If an external clock input is used, con-
nect the clock input to the X
CIN
pin and open the X
COUT
pin. Feedback resistor is
connected between X
CIN
and X
COUT
pins.
Open.
Notes 1 :
AV
SS
for M37478M4/M8/E8-XXXFP.
2 :
Only P2
0
–P2
3
(IN
0
–IN
3
) 4-bit for the 7477 group.
3 :
Only P4
0
and P4
1
2-bit for the 7477group.
4 :
This port is not included in the 7477 group.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37477M8TXXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37477M8TXXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37477M8TXXXSP/FP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER |
| M37477M8-XXXFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
| M37477M8-XXXSP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES |
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