參數(shù)資料
型號: M30625MGA-XXXGP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封裝: 14 X 14 MM, 0.65 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 32/143頁
文件大?。?/td> 3168K
代理商: M30625MGA-XXXGP
S I/O3, 4
Mitsubishi microcomputers
M16C / 62A Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
124
SI/Oi bit rate generator (Note 1, 2)
b7
b0
Symbol
Address
When reset
S3BRG
036316
Indeterminate
S4BRG
036716
Indeterminate
Assuming that set value = n, BRGi divides the count
source by n + 1
0016 to FF16
Values that can be set
W
R
Note 1: Write a value to this register while transmit/receive halts.
Note 2: Use MOV instruction to write to this register.
SI/Oi transmit/receive register (Note 1, 2)
b7
b0
Symbol
Address
When reset
S3TRR
036016
Indeterminate
S4TRR
036416
Indeterminate
Transmission/reception starts by writing data to this register.
After transmission/reception finishes, reception data is input.
W
R
Note 1: SI/O3 is exclusive to transmission.
Note 2: Write a value to this register while transmit/receive halts.
S I/Oi control register (i = 3, 4) (Note 1)
Symbol
Address
When reset
SiC
036216, 036616
4016
b7
b6
b5
b4
b3 b2
b1
b0
W
R
Description
SMi5
SMi1
SMi0
SMi3
SMi6
SMi7
Internal synchronous
clock select bit
Transfer direction select
bit
S I/Oi port select bit
(Note 2)
SOUTi initial value
set bit
0 0 : Selecting f1
0 1 : Selecting f8
1 0 : Selecting f32
1 1 : Must not be set.
b1 b0
0 : External clock
1 : Internal clock
Effective when SMi3 = 0
0 : L output
1 : H output
0 : Input-output port
1 : SOUTi output, CLK function
Bit name
Bit
symbol
Synchronous clock
select bit (Note 2)
0 : LSB first
1 : MSB first
SMi2
SOUTi output disable bit
0 : SOUTi output
1 : SOUTi output disable(high impedance)
Note 1: Set “1” in bit 2 of the protection register (000A16) in advance to write to the
S I/Oi control register (i = 3, 4).
Note 2:
When using the port as an input/output port by setting the SI/Oi port
select bit (i = 3, 4) to “0”, be sure to set the sync clock select bit to “1”.
Nothing is assigned.
In an attempt to write to this bit, write “0”. The value, if read, turns out to be “0”.
Figure 1.14.31. S I/O3, 4 related register
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