UPD78F1502AGK-GAK-AX Datasheet, PDF (995/1031 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcontrollers

78K0R/Lx3
Function
Details of
Function
APPENDIX C LIST OF CAUTIONS
Cautions
(23/39)
Page
3-wire serial Slave
After setting the SAUmEN to 1, be sure to set the SPSm register after 4 or more pp.498, _†
I/O (CSI00, transmission
clocks have elapsed.
502, 504
CSI01, CSI10, Slave transmission The MDmn0 bit can be rewritten even during operation. However, rewrite it before p.503 _†
CSI20)
(in continuous
transfer of the last bit is started.
communication transmission mode)
Slave reception After setting the SAUmEN to 1, be sure to set the SPSm register after 4 or more pp.507, _†
clocks have elapsed.
510
Slave
After setting the SAUmEN to 1, be sure to set the SPSm register after 4 or more pp.513, _†
transmission/ clocks have elapsed.
517, 518
reception
Slave
The MDmn0 bit can be rewritten even during operation.
p.519 _†
transmission/ However, rewrite it before transfer of the last bit is started, so that it will be rewritten
reception (in
before the transfer end interrupt of the last transmit data.
continuous
transmission/
reception mode)
UART (UART0, UART
When using serial array units 0 and 1 as UARTs, the channels of both the p.522 _†
UART1,
communication transmitting side (even-number channel) and the receiving side (odd-number
UART2,
channel) can be used only as UARTs.
UART3)
UART
After setting the SAUmEN to 1, be sure to set the SPSm register after 4 or more pp.526, _†
communication transmission
clocks have elapsed.
530, 532
UART
The MDmn0 bit can be rewritten even during operation.
p.531 _†
transmission (in However, rewrite it before transfer of the last bit is started, so that it has been
continuous
rewritten before the transfer end interrupt of the last transmit data.
transmission
mode)
UART reception For the UART reception, be sure to set SMRmr of channel r that is to be paired with pp.534, _†
channel n.
535
After setting the SAUmEN to 1, be sure to set the SPSm register after 4 or more pp.536, _†
clocks have elapsed.
539
Calculating baud Setting SDRmn [15:9] = (0000000B, 0000001B) is prohibited.
p.548 _†
rate
Simplified Address field
I²C (IIC10, transmission
After setting the SAUmEN to 1, be sure to set the SPSm register after 4 or more p.555 _†
clocks have elapsed.
IIC20)
Data reception ACK is also output when the last data is received. Communication is then completed p.564 _†
communi-
by setting “1” to the STmn bit to stop operation and generating a stop condition.
cation
Calculating baud Setting SDRmn [15:9] = 0000000B is prohibited. Set SDRmn[15:9] to 0000001B or p.566 _†
rate
greater.
R01UH0004EJ0501 Rev.5.01
979
Jun 20, 2011