h8s-2138 Renesas Electronics Corporation., h8s-2138 Datasheet - Page 449

• Manufacturer Part Number: h8s-2138
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

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 synchronous mode, or when a
multiprocessor format is used, parity bit addition and checking is not performed, regardless of the
PE bit setting.
Note:
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 synchronous mode, when parity
bit 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
* When the PE bit is set to 1, the parity (even or odd) specified by the O/E bit is added to
2. When odd parity is set, parity bit addition is performed in transmission so that the total
transmit data before transmission. In reception, the parity bit is checked for the parity
(even or odd) specified by the O/E bit.
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 15 Serial Communication Interface (SCI, IrDA)
Rev. 4.00 Jun 06, 2006 page 395 of 1004
REJ09B0301-0400
(Initial value)
(Initial value)