參數(shù)資料
型號(hào)： M38B57
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(yè)數(shù)： 11/69頁(yè)
文件大?。?/td> 1011K
代理商： M38B57
MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
11
PRELIMINARY
Notice: This s not a final specification.
Some parametric imits are subject to change.
Table 4 List of I/O Port Functions (1)
Pin
Name
Input/Output
I/O Format
Non-Port Function
Related SFRs
Ref.No.
P0
0
/FLD
8
–
P0
7
/FLD
15
Port P0
Input/output,
individual bits
CMOS compatible input level FLD automatic display function FLDC mode register
High-breakdown voltage P-
channel open-drain output
with pull-down resistor
High-breakdown voltage P-
channel open-drain output
with pull-down resistor
Low-voltage input level
Buzzer output (P2
0
)
High-breakdown voltage P-
channel open-drain output
(1)
Port P0FLD/port switch register
P1
0
/FLD
16
– Port P1
P1
7
/FLD
23
Output
FLDC mode register
(2)
P2
0
/B
UZ02
/
FLD
0
P2
1
/FLD
1
–
P2
7
/FLD
7
P3
0
/FLD
24
– Port P3
P3
7
/FLD
31
Port P2
Input/output,
individual bits
FLDC mode register
Port P2FLD/port switch register
Buzzer output control register
(3)
(1)
Output
High-breakdown voltage P-
channel open-drain output
with pull-down resistor
CMOS compatible input level External interrupt input
N-channel open-drain output
FLDC mode register
(2)
P4
0
/INT
0
,
P4
1
/INT
1
,
P4
2
/INT
3
P4
3
/B
UZ01
P4
4
/PWM
1
P4
5
/T
1OUT
P4
6
/T
3OUT
P4
7
/INT
2
Port P4
Input/output,
individual bits
Interrupt edge selection register
(4)
Buzzer output
PWM output
Timer output
Timer output
Buzzer output control register
Timer 56 mode register
Timer 12 mode register
Timer 34 mode register
I
nterrupt edge selection register
Interrupt interval determination
control register
Serial I/O1 control register 1, 2
(5)
(6)
(7)
(7)
(8)
Input
CMOS compatible input level External interrput input
P50/SIN1
P5
1
/S
OUT1
,
P5
2
/S
CLK11
,
P5
3
/S
CLK12
P5
4
/R
X
D,
P5
5
/T
X
D,
P5
6
/S
CLK21
________
P5
7
/S
RDY2
/
S
CLK22
P6
0
/CNTR
1
Port P5
Input/output,
individual bits
CMOS compatible input level Serial I/O1 function I/O
CMOS 3-state output
(9)
(10)
Serial I/O2 function I/O
Serial I/O2 control register
UART control register
(9)
(10)
(11)
Port P6
CMOS compatible input level External count I/O
N-channel open-drain output
CMOS compatible input level
CMOS 3-state output
Interrupt edge selection register
(4)
P6
1
/CNTR
0
/
CNTR
2
________
P6
2
/S
RDY1
/
AN
8
P6
3
/AN
9
P6
4
/INT
4
/
S
BUSY1
/
AN
10
(12)
Serial I/O1 function I/O
A-D conversion input
A-D conversion input
Serial I/O1 function I/O
A-D conversion input
External interrupt input
Serial I/O1 function I/O
A-D conversion input
A-D conversion input
Serial I/O1 control register 1, 2
A-D control register
A-D control register
Serial I/O1 control register 1, 2
A-D control register
Interrupt edge selection register
Serial I/O1 control register 1, 2
A-D control register
A-D control register
(13)
(14)
(15)
P6
5
/S
STB1
/
AN
11
P7
0
/AN
0
–
P7
7
/AN
7
(16)
Port P7
(14)
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