SH7280 Datasheet, PDF (842/1726 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine family

Section 16 Serial Communication Interface (SCI)
16.6 Serial Port Register (SCSPTR) and SCI Pins
The relationship between SCSPTR and the SCI pins is shown in figures 16.19 and 16.20.
SCK
Reset
R
QD
SCKIO
C
Bit 3
SPTRW
Reset
R
QD
SCKDT
C
Bit 2
SPTRW
Internal data bus
Clock output enable signal*
Serial clock output signal*
Serial clock input signal*
Serial input enable signal*
[Legend]
SPTRW: SCSPTR write
Note: * These signals control the SCK pin according to the settings of the C/A bit in SCSMR
and bits CKE1 and CKE0 in SCSCR.
Figure 16.19 SCKIO Bit, SCKDT Bit, and SCK Pin
Rev. 1.00 Jun. 26, 2008 Page 812 of 1692
REJ09B0393-0100