Datasheet

V850ES/JG3-H, V850ES/JH3-H CHAPTER 19 I
2
C BUS
R01UH0042EJ0500 Rev.5.00 Page 834 of 1513
Aug 12, 2011
Table 19-2. Clock Settings
IICXn IICCLn
CLXn SMCn CLn1 CLn0
Selection Clock Transfer
Clock
Settable Main Clock
Frequency (f
XX) Range
Transfer Speed Operating
Mode
fxx/6 (OCKSm = 11H) fxx/264 24.00 MHz ≤ fxx ≤ 25.14 MHz 90.91 kHz to 95.23 kHz
fxx/8 (OCKSm= 12H) fxx/352 24.00 MHz ≤ fxx ≤ 33.52 MHz 68.18 kHz to 95.23 kHz
0 0 0 0
fxx/10 (OCKSm = 13H) fxx/440 30.00 MHz ≤ fxx ≤ 41.90 MHz 68.18 kHz to 95.23 kHz
fxx/4 (OCKSm = 10H) fxx/344 24.00 MHz ≤ fxx ≤ 33.52 MHz 48.72 kHz to 97.44 kHz
fxx/6 (OCKSm= 11H) fxx/516 25.14 MHz ≤ fxx ≤ 48.00 MHz 48.72 kHz to 93.02 kHz
fxx/8 (OCKSm = 12H) fxx/688 33.52 MHz ≤ fxx ≤ 48.00 MHz 48.72 kHz to 69.77 kHz
0 0 0 1
fxx/10 (OCKSm = 13H) fxx/860 41.90 MHz ≤ fxx ≤ 48.00 MHz 48.72 kHz to 55.81 kHz
fxx/4 (OCKSm = 10H) fxx/264 24.00 MHz ≤ fxx ≤ 25.60 MHz 90.91 kHz to 96.97 kHz 0 0 1 1
fxx/6 (OCKSm = 11H) fxx/396 38.40 MHz 96.97 kHz
Standard
mode
(SMCn = 0)
fxx/4 (OCKSm = 10H) fxx/96 24.00 MHz ≤ fxx ≤ 33.52 MHz 250.00 kHz to 349.17 kHz
fxx/6 (OCKSm = 11H) fxx/144 24.00 MHz ≤ fxx ≤ 48.00 MHz 166.67 kHz to 333.33 kHz
fxx/8 (OCKSm = 12H) fxx/192 32.00 MHz ≤ fxx ≤ 48.00 MHz 166.67 kHz to 250.00 kHz
0 1 0 X
fxx/10 (OCKSm = 13H) fxx/240 40.00 MHz ≤ fxx ≤ 48.00 MHz 166.67 kHz to 200.00 kHz
fxx/4 (OCKSm = 10H) fxx/72 24.00 MHz ≤ fxx ≤ 25.60 MHz 333.33 kHz to 355.56 kHz 0 1 1 1
fxx/6 (OCKSm= 11H) fxx/108 38.40 MHz 355.56 kHz
fxx/6 (OCKSm = 11H) fxx/72 24.00 MHz ≤ fxx ≤ 25.14 MHz 333.33 kHz to 349.17 kHz
fxx/8 (OCKSm = 12H) fxx/96 32.00 MHz ≤ fxx ≤ 33.52 MHz 333.33 kHz to 349.17 kHz
1 1 0 X
fxx/10 (OCKSm = 13H) fxx/120 40.00 MHz ≤ fxx ≤ 41.90 MHz 333.33 kHz to 349.17 kHz
High-speed
mode
(SMCn = 1)
Other than above Setting prohibited
− − − −
Remarks 1. n = 0 to 2,
m = 0, 1
2. ×: don’t care