r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 573

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 26.3
26.3.2
• SDADLY1 to SDADLY0 = 00b
• SDADLY1 to SDADLY0 = 01b
• SDADLY1 to SDADLY0 = 10b
(3 × f1 cycles)
(11 × f1 cycles)
(19 × f1 cycles)
SDADLY0 to SDADLY1: Bits in PINSR register
SDA
SDA
SDA
SCL
The digital delay value for the SDA pin can be selected by bits SDADLY0 to SDADLY1 in the PINSR register.
Figure 26.3 shows the Operating Example of Digital Delay for SDA Pin.
SDA Pin Digital Delay Selection
Operating Example of Digital Delay for SDA Pin
3 × f1 cycles
11 × f1 cycles
19 × f1 cycles
20 µ s (Transfer Rate = 50 kHz)
300 ns (f1 = 10 MHz)
1.1 µ s (f1 = 10 MHz)
0.95 µ s (f1 = 20 MHz)
26. I
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C bus Interface