參數(shù)資料
型號: 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
文件頁數(shù): 12/69頁
文件大小: 1011K
代理商: M38B57
MITSUBISHI MICROCOMPUTERS
38B5 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
12
PRELIMINARY
Notice: This s not a final specification.
Some parametric imits are subject to change.
Table 5 List of I/O Port Functions (2)
Pin
Name
Input/Output
I/O Format
Non-Port Function
Related SFRs
Ref.No.
P8
0
/FLD
32
– Port P8
P8
3
/FLD
35
Input/output,
individual bits
Low-voltage input level
High-breakdown voltage P-
channel open-drain output
Low-voltage input level
CMOS 3-state output
FLD automatic display function FLDC mode register
(1)
Port P8FLD/port switch register
P8
4
/FLD
36
P8
5
/RTP
0
/
FLD
37
,
P8
6
/RTP
1
/
FLD
38
P8
7
/PWM
0
/
FLD
39
(17)
(18)
FLD automatic display function FLDC mode register
Real time port output
Port P8FLD/port switch register
Timer X mode register 2
FLD automatic display function FLDC mode register
PWM output
(19)
Port P8FLD/port switch register
PWM control register
P9
0
/X
CIN
P9
1
/X
COUT
Port P9
CMOS compatible input level Sub-clock generating circuit I/O CPU mode register
CMOS 3-state output
(20)
(21)
Notes 1 :
How to use double-function ports as function I/O ports, refer to the applicable sections.
2 :
Make sure that the input level at each pin is either 0 V or Vcc during execution of the STP instruction.
When an input level is at an intermediate potential, a current will flow from Vcc to Vss through the input-stage gate.
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