SM8521 Datasheet, PDF (50/56 Pages) Sharp Electrionic Components – 8-Bit Single-Chip Microcomputer

Transfer Format
According to setting stop bit and parity bit by
control register URTC, transfer format indicated by
Fig. 26 can be selected.
SM8521
URTC
Transfer Format
PEN
(bit 2)
0
SBL
(bit 0)
0
(Transfer Direction)
ST bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 P STP
0
1
ST bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 P STP STP
1
0
ST bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 STP
1
1
ST bit 0 bit 1 bit 2 bit 3 bit 4 bit 5 bit 6 bit 7 STP STP
ST : start bit, P : parity bit, STP : stop bit
Fig. 26 Transfer Format
ST
bit 0
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7 parity
STP STP
Fig. 27 8-Bit Mode Transfer Format (Example for Parity Added and 2 Stop Bits)
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