M16C62_M Datasheet, PDF (412/615 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

UART
Mitsubishi microcomputers
M16C / 62A Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Continued from the previous page
Setting UART2 bit rate generator
b7
b0
UART2 bit rate generator [Address 037916]
U2BRG
Can be set to 0016 to FF16 (Note)
Note: Write to UARTi bit rate generator when transmission/reception is halted.
Transmit enabled
b7
b0
1
1
UART2 transmit/receive control register 1 [Address 037D16]
U2C1
Transmit enable bit
1 : Transmission enabled
Receive enable bit
1 : Reception enabled
Writing transmit data
(b15)
b7
(b8)
b0 b7
b0 _{UART2 transmit buffer register [Address 037B16, 037A16]}
U2TB
Setting transmission
data
UART2 transmit interrupt
Confirm RXD2 pin level
b7
b0
Port P7 register [Address 03ED16]
P7
Port P71 register
0 : "L" level
1 : "H" level
REIT instruction
Figure 2.5.16. Set-up procedure of transmission in UART mode (used for SIM interface) (2)
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