M30622MA-XXXFP RENESAS [Renesas Technology Corp], M30622MA-XXXFP Datasheet - Page 352

• Manufacturer Part Number: M30622MA-XXXFP
• Description: 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY
• Manufacturer: RENESAS [Renesas Technology Corp]

Clock-Synchronous Serial I/O
Figure 2.4.9. Set-up procedure of transmission in clock-synchronous serial I/O mode (2)
(b15)
(b15)
b7
Setting UARTi bit rate generator
b7
b7
b7
Transmission enabled
Checking the status of UARTi transmit /receive control register (i = 0 to 2)
Writing next transmit data
Writing transmit data
b7
Note: Write to UARTi bit rate generator when transmission/reception is halted.
(b8)
(b8)
b0 b7
b0 b7
b0
b0
1
b0
Can be set to 00
UARTi bit rate generator (i = 0 to 2) [Address 03A1
UiBRG (i = 0 to 2)
UART0 transmit/receive control register 1
U0C1 [Address 03A5
UART1 transmit/receive control register 1
U1C1 [Address 03AD
Transmit enable bit
Transmit buffer empty flag
1 : Transmission enabled
UART0 transmit/receive control register 1
U0C1 [Address 03A5
UART1 transmit/receive control register 1
U1C1 [Address 03AD
0 : Data present in transmit
1 : No data present in transmit
buffer register
buffer register
(Writing next transmit data enabled)
(i = 0 to 2)
16
to FF
16
16
16
]
16
]
16
b0
b0
]
]
Continued from the previous page
(Note)
Setting transmission data
Setting transmission data
UART0 transmit buffer register [Address 03A3
UART1 transmit buffer register [Address 03AB
UART2 transmit buffer register [Address 037B
UART0 transmit buffer register [Address 03A3
UART1 transmit buffer register [Address 03AB
UART2 transmit buffer register [Address 037B
Transmission is complete
When CTSi input level = “L”
Start transmission
b7
b7
16
, 03A9
16
, 0379
16
]
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
b0
b0
1
16
16
16
16
16
16
Transmit enable bit
Transmit buffer empty flag
UART2 transmit/receive control register 1
U2C1 [Address 037D
, 03A2
, 037A
, 03A2
, 037A
, 03AA
, 03AA
UART2 transmit/receive control register 1
U2C1 [Address 037D
1 : Transmission enabled
0 : Data present in transmit
1 : No data present in transmit
buffer register
buffer register
(Writing next transmit data enabled)
16
16
16
16
16
16
] U0TB
] U2TB
] U0TB
] U2TB
] U1TB
] U1TB
16
16
]
]
Mitsubishi microcomputers
M16C / 62 Group
337