NEC V850/SB1TM User Manual page 248

(2) Serial clock selection registers 0 to 3 (CSIS0 to CSIS3)
CSISn is used to set serial interface channel n's serial clock.
CSISn can be set by an 8-bit memory manipulation instruction.
RESET input clears these registers to 00H.
Figure 10-3. Serial Clock Selection Registers 0 to 3 (CSIS0 to CSIS3)
After reset : 00H
7
CSISn 0
(n = 0 to 3)
Remark Refer to Figure 10-2 for the setting of the SCLn2 bit.
248
CHAPTER 10 SERIAL INTERFACE FUNCTION
R/W Address: CSIS0
6 5
0 0
User's Manual U13850EJ4V0UM
FFFFF2A4H
CSIS1 FFFFF2B4H
CSIS2 FFFFF2C4H
CSIS3 FFFFF2D4H
4 3
0 0
2 1 0
0 0 SCLn2