m5m51016btp Renesas Electronics Corporation., m5m51016btp Datasheet - Page 79

• Manufacturer Part Number: m5m51016btp
• Description: Renesas 16-bit Single-chip Microcomputer M16c Family / M16c/20 Series
• Manufacturer: Renesas Electronics Corporation.

M30245 Group
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Figure 2.4.11. Set-up procedure of reception in UART mode (1)
Setting UARTi transmit/receive control register 0 (i=0 to 3)
Setting UART transmit/receive control register 1 (i=0 to 3)
b7
b7
Setting UARTi transmit/receive mode register (i=0 to 3)
0 0
0 0 0 0
b7
0 0 0
page 70 of 354
Note: Set the RxDi pin's port direction register to “0” when receiving.
Note: UART2 transfer pin (TxD2: P7
0 0 1 0 1
It cannot be set to CMOS output.
1
b0
b0
b0
UARTi transmit/receive control register 0
UiC0 [Address 03AC
Data logic select bit
Error signal output enable bit (in UART mode)
Must be fixed to “0” in UART mode
UARTi transmit/receive mode register
UiMR [Address 03A8
0 : No reverse
0 : Output disabled
UARTi transmit/receive control register 1
UiC1 [Address 03AD
BRG count source select bit
CTS/RTS function select bit
(Valid when bit 4 = “0”)
Transmit register empty flag
CTS/RTS disable bit
Data output select bit (Note)
Serial I/O mode select bit (Note)
Internal/external clock select bit
Stop bit length select bit
Valid when bit 6 = “1”
T
Parity enable bit
Must be fixed to “0” in UART mode
b1 b0
Transfer format select bit
b2 b1 b0
0 0 : f
0 1 : f
1 0 : f
1 1 : Inhibited
1 : RTS function is selected
0 : Data present in transmit register
1 : No data present in transmit register
0 : CTS/RTS function enabled
0 : TxDi/SDAi and SCLi pin is CMOS output
1 : TxDi/SDAi and SCLi pin is N-channel open drain output
1 0 1 : Transfer data 8 bits long
0 : Internal clock
0 : One stop bit
X
Usually set to “0”
0 : Parity disabled
0 : LSB first
D, R
(during transmission)
(transmission completed)
Continued to the next page
1
8
32
X
D I/O polarity reverse bit
is selected
is selected
is selected
0
16
16
and SCL2: P7
, 36C
16
, 368
, 36D
16
16
, 033C
16
, 0338
, 033D
1
16
) is N-channel open drain output.
16
, 32C
16
, 328
, 32D
16
16
]
16
]
]
2. UART