M30622M4 MITSUBISHI [Mitsubishi Electric Semiconductor], M30622M4 Datasheet - Page 123
M30622M4
Manufacturer Part Number
M30622M4
Description
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
1.M30622M4.pdf
(276 pages)
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M30622M4A-462GP D3
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Clock synchronous serial I/O mode
Figure 1.19.9. UARTi transmit/receive mode register in clock synchronous serial I/O mode
UARTi transmit/receive mode registers
UART2 transmit/receive mode register
b7
b7
0
0
b6
b6
b5
b5
b4
b4
b3
b3
b2
b2
0
0
b1
b1
0 1
0 1
b0
b0
Note : Set the corresponding port direction register to “0”.
Note 1: Usually set to “0”.
Note 2: Set the corresponding port direction register to “0”.
Bit symbol
Bit symbol
CKDIR
CKDIR
IOPOL
SMD0
SMD1
SMD2
PRYE
SMD0
SMD1
SMD2
STPS
PRYE
SLEP
STPS
PRY
PRY
UiMR(i=0,1)
Symbol
Symbol
U2MR
Serial I/O mode select bit
0 (Must always be “0” in clock synchronous serial I/O mode)
Serial I/O mode select bit
Internal/external clock
select bit
Invalid in clock synchronous serial I/O mode
Internal/external clock
select bit
Invalid in clock synchronous serial I/O mode
TxD, RxD I/O polarity
reverse bit (Note 1)
Bit name
03A0
Bit name
Address
Address
0378
16
, 03A8
16
16
When reset
When reset
b2 b1 b0
0 0 1 : Clock synchronous serial
b2 b1 b0
0 0 1 : Clock synchronous serial
0 : Internal clock
1 : External clock (Note)
0 : Internal clock
1 : External clock (Note 2)
0 : No reverse
1 : Reverse
00
00
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
16
16
I/O mode
I/O mode
Function
Function
Mitsubishi microcomputers
M16C / 62 Group
R
R
W
W
123
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