SH7137 Datasheet, PDF (577/1160 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 14 Serial Communication Interface (SCI)
Initial
Bit
Bit Name value
R/W Description
2
SPB1DT Undefined R/W Clock Port Data in Serial Port
Specifies the data output through the SCK pin in the
serial port. Output should be enabled by the SPB1IO bit
(for details, refer to the SPB1IO bit description). When
output is enabled, the SPB1DT bit value is output
through the SCK pin.
0: Low level is output
1: High level is output
1
SPB0IO 0
R/W Serial Port Break Output
Together with the SPB0DT bit and the TE bit in
SCSCR, controls the TXD pin.
0
SPB0DT Undefined R/W Serial Port Break Data
Together with the SPB0IO bit and TE bit in SCSCR,
controls the TXD pin. Note that the TXD pin function
needs to have been selected with the pin function
controller (PFC).
TE bit SPB0IO SPB0DT
setting in bit
bit
SCSCR setting setting State of TXD pin
0
0
*
SPB0DT output
disabled
(initial state)
0
1
0
Output, low level
0
1
1
Output, high level
1
*
*
Output for transmit
data in accord with
the serial core
logic
Note: * Don't care
Rev. 2.00 Sep. 10, 2008 Page 551 of 1130
REJ09B0402-0200