RL78/G13 CHAPTER 12 SERIAL ARRAY UNIT
R01UH0146EJ0100 Rev.1.00 554
Sep 22, 2011
Cautions 1. Be sure to clear bit 8 of the SDR02, SDR03, SDR12, SDR13, and SDR10, and SDR11 of 20 to 64-
pin products to “0”.
2. Setting SDRmn[15:9] = (0000000B, 0000001B) is prohibited when UART is used.
3. Setting SDRmn[15:9] = 0000000B is prohibited when simplified I
2
C is used. Set SDRmn[15:9]
to 0000001B or greater.
4. Do not write eight bits to the lower eight bits if operation is stopped (SEmn = 0). (If these bits
are written to, the higher seven bits are cleared to 0.)
Remarks 1. For the function of the lower 8/9 bits of the SDRmn register, see 12.2 Configuration of Serial Array Unit.
2. m: Unit number (m = 0, 1), n: Channel number (n = 0 to 3)
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