M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 165
M30622MA-XXXFP
Manufacturer Part Number
M30622MA-XXXFP
Description
16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.M30622MA-XXXFP.pdf
(621 pages)
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S I/O3, 4
150
Figure 1.19.32. S I/O3, 4 related register
SI/Oi bit rate generator
SI/Oi transmit/receive register
b7
b7
S I/Oi control register (i = 3, 4) (Note 1)
b7 b6 b5 b4 b3 b2 b1 b0
b0
b0
Assuming that set value = n, BRGi divides the count
source by n + 1
Transmission/reception starts by writing data to this register.
After transmission/reception finishes, reception data is input.
Note 1: Set “1” in bit 2 of the protection register (000A
Note 2:
symbol
SMi2
SMi3
SMi0
SMi1
Nothing is assigned.
In an attempt to write to this bit, write “0”. The value, if read, turns out to be “0”.
SMi5
SMi6
SMi7
Bit
When using the port as an input/output port by setting the SI/Oi port
S I/Oi control register (i = 3, 4).
select bit (i = 3, 4) to
Symbol
Internal synchronous
clock select bit
Transfer direction select
bit
S
set bit
SiC
S
S I/Oi port select bit
(Note 2)
Synchronous clock
select bit (Note 2)
S3BRG
S4BRG
Symbol
Symbol
S3TRR
S4TRR
OUT
OUT
i initial value
i output disable bit
Bit name
Indeterminate
0362
Address
16
, 0366
“0”
Address
Address
0363
0367
0360
0364
Indeterminate
, be sure to set the sync clock select bit to
16
b1 b0
16
16
16
16
0 0 : Selecting f
0 1 : Selecting f
1 0 : Selecting f
1 1 : Not to be used
0 : Input-output port
1 : S
0 : External clock
1 : Internal clock
0 : S
1 : S
0 : LSB first
1 : MSB first
Effective when SMi3 = 0
0 : L output
1 : H output
When reset
OUT
OUT
OUT
40
i output, CLK function
i output
i output disable
16
Description
Indeterminate
Indeterminate
Indeterminate
Indeterminate
When reset
When reset
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
1
8
32
) in advance to write to the
Values that can be set
(high impedance)
00
16
to FF
16
Mitsubishi microcomputers
M16C / 62 Group
R
“1”
W
.
R
R
W
W
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