Datasheet
RL78/L12    CHAPTER 12 SERIAL ARRAY UNIT 
R01UH0330EJ0200 Rev.2.00      387 
Dec 13, 2013 
12.3 Registers Controlling Serial Array Unit 
Serial array unit is controlled by the following registers.
• Peripheral enable register 0 (PER0) 
• Serial clock select register m (SPSm) 
• Serial mode register mn (SMRmn) 
• Serial communication operation setting register mn (SCRmn) 
• Serial data register mn (SDRmn) 
• Serial flag clear trigger register mn (SIRmn) 
• Serial status register mn (SSRmn) 
• Serial channel start register m (SSm) 
• Serial channel stop register m (STm) 
• Serial channel enable status register m (SEm) 
• Serial output enable register m (SOEm) 
• Serial output level register m (SOLm) 
• Serial output register m (SOm) 
• Serial standby control register m (SSCm) 
• Input switch control register (ISC) 
• Noise filter enable register 0 (NFEN0) 
• Port input mode register 1 (PIM1) 
• Port output mode register 1 (POM1) 
• LCD port function registers 0, 3 (PFSEG0, PFSEG3) 
• Port mode register 1 (PM1) 
• Port registers 1 (P1) 
Remark  m: Unit number (m = 0), n: Channel number (n = 0, 1) 










