M30245_06 RENESAS [Renesas Technology Corp], M30245_06 Datasheet - Page 106

• Manufacturer Part Number: M30245_06
• Description: RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES
• Manufacturer: RENESAS [Renesas Technology Corp]

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.5.10. Set-up procedure of transmission in serial interface special function master mode, without clock delay (2)
b7
(b15)
Setting UARTi transmit/receive control register 1 (i=0 to 3)
(b15
b7
b7
b7
0 0
Transmission enabled
Writing transmit data (Note)
Checking the status of UARTi transmit buffer register (i = 0 to 3)
b7
b7
Setting UARTi bit rate generator (i = 0 to 3)
Note: Use MOV instruction to write to this register.
Writing next transmit data (Note)
Note: Use MOV instruction to write to this register.
Note: Use MOV instruction to write to this register.
page 97 of 354
Write to UARTi bit rate generator when transmission/reception is halted.
0
(b8)
b0
1
b0 b7
b0
b0
(b8)
b0 b7
b0
Transmit enable bit
UARTi transmit interrupt cause select bit
Data logic select bit
Set to “0” in clock synchronous serial I/O mode.
Can be set to 00
Output an "L" to SS port on the receiver side IC
Output an "H" to the SS port on the receiver side IC
1 : Transmission enabled
Transmit buffer empty flag
0 : Transmit buffer empty (Tl = 1)
0 : No reverse
UARTi transmit/receive control register 1
UiC1 [Address 03AD
0 : Data present in transmit buffer register
1 : No data present in transmit buffer register
UARTi bit rate generator [Address 03A9
UiBRG (i = 0 to 3)
UARTi transmit/receive control register 1
UiC1 [Address 03AD
UARTi transmit/receive control register 1
UiC1 [Address 03AD
(Writing next transmit data enabled)
Continued from the previous page
b0
When transmitting continuously
b0
Setting transmission data
Setting transmission data
16
Transmission is complete
to FF
UART0 transmit buffer register [Address 03AB
UART1 transmit buffer register [Address 036B
UART2 transmit buffer register [Address 033B
UART3 transmit buffer register [Address 032B
UART0 transmit buffer register [Address 03AB
UART1 transmit buffer register [Address 036B
UART2 transmit buffer register [Address 033B
UART3 transmit buffer register [Address 032B
Start transmission
16
16
16
16
, 36D
, 36D
, 36D
(Note)
16
16
16
, 033D
, 033D
, 033D
16
16
16
, 32D
, 32D
, 32D
16
, 0369
16
16
16
]
]
]
16
, 0339
16
, 0329
2. Serial Interface Special Function
16
16
16
16
16
16
16
16
16
, 036A
, 033A
, 032A
, 036A
, 033A
, 032A
, 03AA
, 03AA
,]
16
16
16
16
16
16
16
16
] U1TB
] U2TB
] U3TB
] U1TB
] U2TB
] U3TB
] U0TB
] U0TB