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參數(shù)資料
| 型號： | M37735S4B |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | Single Chip 16 Bits CMOS Microcomputer(16位單片機(jī)) |
| 中文描述： | 單片微機(jī)16位的CMOS（16位單片機(jī)） |
| 文件頁數(shù)： | 4/36頁 |
| 文件大?。?/td> | 935K |
| 代理商： | M37735S4B |
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4
MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
PIN DESCRIPTION
Pin
Vcc,
Power source
Vss
CNVss input
_____
Reset input
X
IN
Clock input
Name
Input/Output
Functions
Apply 5 V
±
10% to Vcc and 0 V to Vss.
Input
Input
Input
Connect to Vcc.
When “L” level is applied to this pin, the microcomputer enters the reset state.
These are pins of main-clock generating circuit. Connect a ceramic resonator or a quartz-crystal
oscillator between X
IN
and X
OUT
. When an external clock is used, the clock source should be
connected to the X
IN
pin, and the X
OUT
pin should be left open.
When data/instruction read is performed, output level of
RDE
signal is “L”.
This pin determines whether the external data bus has an 8-bit width or a 16-bit width.
The data bus has a 16-bit width when “L” signal is input and an 8-bit width when “H” signal
is input.
Power source input pin for the A-D converter. Externally connect AVcc to Vcc and AVss to Vss.
RDE
BYTE
Read enable output
Bus width
selection input
Output
Input
AVcc,
AVss
V
REF
Analog power
source input
Reference
voltage input
Chip selection
output
Ready sampling
output
Address output
Input
This is reference voltage input pin for the A-D converter.
____
P0
0
/
0
–
____
P0
4
/
CS
4
P0
5
/
RSMP
Output
____
____
When the specified external memory area is accessed,
CS
0
–
CS
4
signals are “L”.
Output
The timing signal to be input to the
RDY
pin is output.
P0
6
/A
16
,
P0
7
/A
17
P1
0
/A
8
/D
8
– Address output
P1
7
/A
15
/D
15
/data
(high
-order) I/O
P2
0
/A
0
/D
0
–
Address output
P2
7
/A
7
/D
7
/data (low
-order) I/O
P3
0
/
WEL
Write enable
output
Output
An address (A
16
, A
17
) is output.
I/O
When the BYTE pin is set
to
“L”
and
external data bus has a 16-bit width, high-order data
(D
8
– D
15
) is input/output or an address (A
8
– A
15
) is output. When the BYTE pin is “H” and an
external data bus has an 8-bit width, only address (A
8
– A
15
) is output.
Low-order data (D
0
– D
7
) is input/output or an address (A
0
– A
7
) is output.
I/O
Output
When the BYTE pin is “L” and writing to an even address is performed, output level of
WEL
signal
is “L”. When the BYTE pin is “H” and writing to an even address or an odd address is performed,
output level of
WEL
signal is “L”.
When the BYTE pin is “L” and writing to an odd address is performed, output level of
WEH
signal
is “L”. When the BYTE pin is “H”,
WEH
signal is always “H”.
This is used to retrieve only the address from the multiplex signal which consists of address and
data.
This outputs “L” level when the microcomputer enters hold state after a hold request is accepted.
P3
1
/
WEH
Write enable
high output
Address latch
enable output
Hold acknow-
ledge output
Hold request
input
Ready input
Output
P3
2
/ALE
Output
P3
3
/
HLDA
Output
HOLD
Input
This is an input pin for
HOLD
request signal. The microcomputer enters hold state while this
signal is “L”.
____
This is an input pin for
RDY
signal. The microcomputer enters ready state while this signal is “L”.
____
RDY
Input
P4
2
/
P4
3
– P4
7
1
Clock output
I/O port P4
Output
I/O
This pin outputs the clock
These pins become a 5-bit I/O port. An I/O direction register is available so that each pin can be
programmed for input or output. These ports are in the input mode when reset.
In addition to having the same functions as port P4, these pins also function as I/O pins for timers
A0 to A3 and input pins for key input interrupt input (
KI
0
–
KI
3
).
In addition to having the same functions as port P4, these pins also function as I/O pins for timer
A4, input pins for external interrupt input (
INT
0
–
INT
2
) and input pins for timers B0 to B2. P6
7
also
functions as sub-clock
In addition to having the same functions as port P4, these pins function as input pins for A-D
converter. P7
2
to P7
5
also function as I/O pins for UART2. Additionally, P7
6
and P7
7
have the
function as the output pin (X
COUT
) and the input pin (X
CIN
) of the sub-clock (32 kHz) oscillation
circuit, respectively. When P7
6
and P7
7
are used as the X
COUT
and X
CIN
pins, connect a resonator
or an oscillator between the both.
In addition to having the same functions as port P4, these pins also function as I/O pins for UART
0 and UART 1.
1
.
P5
0
– P5
7
I/O port P5
I/O
P6
0
– P6
7
I/O port P6
I/O
SUB
output pin.
P7
0
– P7
7
I/O port P7
I/O
P8
0
– P8
7
I/O port P8
I/O
X
OUT
Clock output
Output
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|---|---|
| M37735S4LHP | 16-BIT CMOS MICROCOMPUTER |
| M37736M4B | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
| M37736M4BXXXGP | SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M37735S4BFP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT CMOS MICROCOMPUTER |
| M37735S4LHP | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:16-BIT CMOS MICROCOMPUTER |
| M37735T-PAC | 制造商:Renesas Electronics Corporation 功能描述:DEV 7733 SIMPLE DEVELOPMENT TOOL PACKAGE - Bulk |
| M37736EHB | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:PROM VERSION OF M37736EHBXXXGP |
| M37736EHBGS | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:PROM VERSION OF M37736MHBXXXGP |
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