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R01UH0336EJ0102 Rev.1.02
Page 1240 of 1538
Jul 17, 2014
V850E2/PG4-L
Section 22 Synchronous/Asynchronous Serial Interface H (UARTH)
Caution
If data and the extension bit are set in different registers, the extension bit
(URTHnETX) should be set first.
Table 22-27
Accesses according to Transmission Modes
Transmission Mode
Data
Extension Bit
1-frame 8-bit data transfer
URTHnTX[7:0]
1-frame 7-bit data transfer
(MSB first)
URTHnTX[7:1]
1-frame 7-bit data transfer
(LSB first)
URTHnTX[6:0]
1-frame extension bit transfer
URTHnTX[7:0]
URTHnTX8 or URTHnETXL8
2-frame 8-bit data transfer
First frame: URTHnTX[15:8]
Second frame: URTHnTX[7:0]
2-frame 7-bit data transfer
(MSB first)
1st frame: URTHnTX[15:9]
2nd frame: URTHnTX[7:1]
2-frame 7-bit data transfer
(LSB first)
1st frame: URTHnTX[14:8]
2nd frame: URTHnTX[6:0]
2-frame extension bit transfer
1st frame: URTHnTX[15:8]
2nd frame: URTHnTX[7:0]
1st frame: URTHnETXH8
2nd frame: URTHnETXL8