Renesas RL78 Series User Manual page 870

RL78/G1D
CSI mode connection diagram (during communication at different potential)
Remarks 1. R
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
<Master>
SCKp
RL78
SIp
microcontroller
SOp
[Ω]:Communication line (SCKp, SOp) pull-up resistance, C
b
(SCKp, SOp) load capacitance, V
2. p: CSI number (p = 00), m: Unit number (m = 0), n: Channel number (n = 0), g: PIM and
POM number (g = 1)
3. f : Operation clock frequency of the serial array unit
MCK
(Operation clock to be set by the CKSmn bit of the serial mode register mn (SMRmn).
m: Unit number, n: Channel number (mn = 00))
CHAPTER 30 ELECTRICAL SPECIFICATIONS
V V
b b
R R
b b
SCK
User's device
SO
SI
[V]: Communication line voltage
b
[F]: Communication line
b
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