M30245_06 RENESAS [Renesas Technology Corp], M30245_06 Datasheet - Page 84

• 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 2.4.14. Set-up procedure of transmission in UART mode (used for SIM interface) (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
b7
1
Setting UARTi transmit/receive mode register (i=0 to 3)
0 1 1 0 0 1 0 1
0 0 1 1
0
0
page 75 of 354
1
b0
b0
b0
UARTi transmit interrupt cause select bit
Data logic select bit
Error signal output enable bit (in UART mode)
BRG count source select bit
Valid when bit 4 = “0”
Transmit register empty flag
CTS/RTS disable bit
Data output select bit
Transfer format select bit
Must be fixed to “0” in UART mode
Must be fixed to “0” in UART mode
b1 b0
UARTi transmit/receive mode register
UiMR [Address 03A8
1 : Transmission completed (TXEPT = 1)
Must be “0” (no reverse) in direct format
1 : Output enabled
0 0 : f
0 1 : f
1 0 : f
1 1 : Inhibited
0 : Data present in transmit register (during transmission)
1 : No data present in transmit register (transmission completed)
1 : CTS/RTS function disabled
1 : TxDi/SDAi and SCLi pin is N-channel open drain output
Must be “0” (LSB first) in direct format
Serial I/O mode select bit
Internal/external clock select bit
Stop bit length select bit
Odd/even parity select bit(Valid when bit 6 = “1”)
Parity enable bit
T
UARTi transmit/receive control register 0
UiC0 [Address 03AC
UARTi transmit/receive control register 1
UiC1 [Address 03AD
b2 b1 b0
1 0 1 : Transfer data 8 bits long
0 : Internal clock
0 : One stop bit
Must be “1” (even parity) in direct format
1 : Parity enabled
Usually set to “0”
X
D, R
1
8
32
is selected
is selected
Continued to the next page
X
is selected
D I/O polarity reverse bit
16
16
16
, 368
, 36C
, 36D
16
16
16
, 0338
, 033C
, 033D
16
, 328
16
16
, 32C
, 32D
16
]
16
16
]
]
2. SIM interface