HD64F38602R Datasheet, PDF (319/552 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 15 Synchronous Serial Communication Unit (SSU)
Initial
Bit
Bit Name Value
2
SCKS
0
1
CSS1
0
0
CSS0
0
[Legend] x: Don't care.
R/W
R/W
R/W
R/W
Description
SSCK Pin Select
Selects whether the SSCK pin functions as a port or a
serial clock pin.
0: Functions as a port
1: Functions as a serial clock pin
SCS Pin Select
Selects whether the SCS pin functions as a port, an SCS
input, or SCS output. When the SSUMS bit in SSCRL is
0, the SCS pin functions as a port regardless of the
setting of this bit.
00: Functions as a port
01: Functions as an SCS input
1x: Functions as an SCS output (however, functions as
an SCS input before starting transfer)
15.3.2 SS Control Register L (SSCRL)
SSCRL is a register that controls mode, software reset, and open-drain output of the SSCK and
SCS pins.
Initial
Bit
Bit Name Value R/W Description
7
—
0
—
Reserved
This bit is always read as 0.
Rev. 3.00 May 15, 2007 Page 287 of 518
REJ09B0152-0300