SH7080 Datasheet, PDF (909/1644 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 16 Serial Communication Interface with FIFO (SCIF)
16.6 Serial Port Register (SCSPTR) and SCIF Pins
The relationship between SCSPTR and the SCIF pins is shown in figures 16.19 to 16.22.
RTS
Reset
R
QD
RTSIO
C
Bit 7
SPTRW
Reset
R
QD
RTSDT
C
Bit 6
SPTRW
Internal data bus
Modem control enable
signal*
RTS signal
[Legend]
SPTRW: SCSPTR write
Note: * The modem control function is specified for the RTS pin by setting the MCE bit in SCFCR.
Figure 16.19 RTSIO Bit, RTSDT Bit, and RTS Pin
Rev. 3.00 May 17, 2007 Page 851 of 1582
REJ09B0181-0300