h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 471
h8s-2646
Manufacturer Part Number
h8s-2646
Description
Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2646.pdf
(1165 pages)
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Bit 5—Parity Enable (PE): In asynchronous mode, selects whether or not parity bit addition is
performed in transmission, and parity bit checking in reception. In clocked synchronous mode
with a multiprocessor format, parity bit addition and checking is not performed, regardless of the
PE bit setting.
Note: * When the PE bit is set to 1, the parity (even or odd) specified by the O/E bit is added to
Bit 4—Parity Mode (O/E E E E ): Selects either even or odd parity for use in parity addition and
checking.
The O/E bit setting is only valid when the PE bit is set to 1, enabling parity bit addition and
checking, in asynchronous mode. The O/E bit setting is invalid in clocked synchronous mode,
when parity addition and checking is disabled in asynchronous mode, and when a multiprocessor
format is used.
Notes: 1. When even parity is set, parity bit addition is performed in transmission so that the total
Bit 5
PE
0
1
Bit 4
O/E E E E
0
1
transmit data before transmission. In reception, the parity bit is checked for the parity (even
or odd) specified by the O/E bit.
2. When odd parity is set, parity bit addition is performed in transmission so that the total
number of 1 bits in the transmit character plus the parity bit is even.
In reception, a check is performed to see if the total number of 1 bits in the receive
character plus the parity bit is even.
number of 1 bits in the transmit character plus the parity bit is odd.
In reception, a check is performed to see if the total number of 1 bits in the receive
character plus the parity bit is odd.
Description
Parity bit addition and checking disabled
Parity bit addition and checking enabled *
Description
Even parity *
Odd parity *
2
1
Section 13 Serial Communication Interface (SCI)
Rev. 5.00 Sep 22, 2005 page 445 of 1136
REJ09B0257-0500
(Initial value)
(Initial value)
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