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Setting UARTi bit rate generator (i = 0 to 3)
b7
Note: Use MOV instruction to write to this register.
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Transmission enabled
b7
Note: Set R
Writing transmit data (Note)
(b15
b7
Note: Use MOV instruction to write to this register.
Confirm RxDi pin level
b7
Figure 2.4.15. Set-up procedure of transmission in UART mode (used for SIM interface) (2)
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
Continued from the previous page
b0
UARTi bit rate generator [Address 03A9
UiBRG (i = 0 to 3)
Can be set to 00
16
Write to UARTi bit rate generator when transmission/reception is halted.
b0
UARTi transmit/receive control register 1
UiC1 [Address 03AD
1
1
Transmit enable bit
1 : Transmission enabled
Receive enable bit
1 : Reception enabled (Note)
D pin's port direction register to "0".
X
(b8)
b0 b7
b0
Setting transmission data
b0
Port P6 register [Address 03EC
P6
Port P6
register (RxD
2
0 : "L" level
1 : "H" level
Port P6
register (RxD
6
0 : "L" level
1 : "H" level
page 76 of 354
, 0369
16
16
to FF
(Note)
16
, 36D
, 033D
, 32D
]
16
16
16
16
UART0 transmit buffer register [Address 03AB
UART1 transmit buffer register [Address 036B
UART2 transmit buffer register [Address 033B
UART3 transmit buffer register [Address 032B
UARTi transmit interrupt
b7
]
16
pin)
0
pin)
1
REIT instruction
, 0339
, 0329
,]
16
16
, 03AA
] U0TB
16
16
, 036A
] U1TB
16
16
, 033A
] U2TB
16
16
, 032A
] U3TB
16
16
b0
Port P7 register [Address 03ED
P7
Port P7
register (RxD
pin)
1
2
0 : "L" level
1 : "H" level
Port P7
register (RxD
pin)
5
3
0 : "L" level
1 : "H" level
2. SIM interface
]
16
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