r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 571

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r5f21346mnfp

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

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Part Number:
r5f21346mnfp#V0
Manufacturer:
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Quantity:
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R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
26.3
26.3.1
Table 26.4
IICTCHALF IICTCTWI CKS3 CKS2 CKS1 CKS0
PINSR Register
0
When the MST bit in the ICCR1 register is set to 0, the transfer clock is the external clock input from the SCL
pin.
When the MST bit in the ICCR1 register is set to 1, the transfer clock is the internal clock selected by bits CKS0
to CKS3 in the ICCR1 register and bits IICTCTWI and IICTCHALF in the PINSR register and the transfer
clock is output from the SCL pin.
Tables 26.4 and 26.5 list the Transfer Rate Examples.
Common Items for Multiple Modes
Transfer Clock
Transfer Rate Examples (1)
0
0
1
ICCR1 Register
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Transfer
f1/100
f1/128
f1/128
f1/160
f1/200
f1/224
f1/256
f1/112
Clock
f1/28
f1/40
f1/48
f1/64
f1/80
f1/56
f1/80
f1/96
f1 = 5 MHz f1 = 8 MHz f1 = 10 MHz f1 = 16 MHz f1 = 20 MHz
78.1 kHz
62.5 kHz
50.0 kHz
44.6 kHz
39.1 kHz
89.3 kHz
62.5 kHz
52.1 kHz
39.1 kHz
31.3 kHz
25.0 kHz
22.3 kHz
19.5 kHz
179 kHz
125 kHz
104 kHz
80.0 kHz
71.4 kHz
62.5 kHz
83.3 kHz
62.5 kHz
50.0 kHz
40.0 kHz
35.7 kHz
31.3 kHz
286 kHz
200 kHz
167 kHz
125 kHz
100 kHz
143 kHz
100 kHz
Transfer Rate
89.3 kHz
78.1 kHz
78.1 kHz
62.5 kHz
50.0 kHz
44.6 kHz
39.1 kHz
208 kHz
357 kHz
250 kHz
156 kHz
125 kHz
100 kHz
179 kHz
125 kHz
104 kHz
80.0 kHz
71.4 kHz
62.5 kHz
571 kHz
400 kHz
333 kHz
250 kHz
200 kHz
160 kHz
143 kHz
125 kHz
286 kHz
200 kHz
167 kHz
125 kHz
100 kHz
26. I
Page 539 of 740
2
C bus Interface
89.3 kHz
78.1 kHz
714 kHz
500 kHz
417 kHz
313 kHz
250 kHz
200 kHz
179 kHz
156 kHz
357 kHz
250 kHz
208 kHz
156 kHz
125 kHz
100 kHz

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