M16C28 Datasheet, PDF (231/423 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/28 Group (M16C/28, M16C/28B)
14. Serial I/O
14.1.6.2 Format
• Direct Format
Set the PRY bit in the U2MR register to “1”, the UFORM bit in U2C0 register to “0” and the U2LCH bit
in U2C1 register to “0”.
• Inverse Format
Set the PRY bit to “0”, UFORM bit to “1” and U2LCH bit to “1”.
Figure 14.34 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 14.34 SIM Interface Format
Rev. 2.00 Jan. 31, 2007 page 211 of 385
REJ09B0047-0200