M16C26A Datasheet, PDF (196/352 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/26A Group (M16C/26A, M16C/26B, M16C/26T)
13. Serial I/O
13.1.6.2 Format
• Direct Format
Set the PRY bit in the U2MR register to “1”, the UFORM bit in the U2C0 register to “0” and the U2LCH
bit in the U2C1 register to “0”.
• Inverse Format
Set the PRY bit to “0”, UFORM bit to “1” and U2LCH bit to “1”.
Figure 13.1.6.2.1 shows the SIM interface format.
(1) Direct format
Transfer ^{“H”}
clcck “L”
TxD2 ^{“H”}
“L”
(2) Inverse format
Transfer ^{“H”}
clcck “L”
“H”
TxD2
“L”
D0 D1 D2 D3 D4 D5 D6 D7
P
P : Even parity
D7 D6 D5 D4 D3 D2 D1 D0
P
P : Odd parity
Figure 13.1.6.2.1. SIM Interface Format
Rev. 2.00 Feb.15, 2007 page 179 of 329
REJ09B0202-0200