14. Serial I/O
puorG92/C61M
page 216
854fo7002,03.raM21.1.veR
2110-1010B90JER
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.
Figure 14.34 SIM Interface Format
P : Even parity
D0 D1 D2 D3 D4 D5 D6 D7
P
Transfer clcck
TxD
2
TxD
2
D7 D6 D5 D4 D3 D2 D1 D0 P
Transfer clcck
(1) Direct format
“H”
“L”
“H”
“L”
(2) Inverse format
P : Odd parity
“H”
“L”
“H”
“L”
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