参数资料
型号: R5F21386CDFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 36/57页
文件大小: 529K
代理商: R5F21386CDFP
R8C/38C Group
5. Electrical Characteristics
REJ03B0295-0100 Rev.1.00
Page 41 of 54
Apr 23, 2010
Notes:
1. VCC = 1.8 to 5.5 V, VSS = 0 V, and Topr =
20 to 85 °C (N version)/40 to 85 °C (D version), unless otherwise specified.
2. 1tCYC = 1/f1(s)
Figure 5.7
I/O Timing of I2C bus Interface
Table 5.16
Timing Requirements of I2C bus Interface
Symbol
Parameter
Condition
Standard
Unit
Min.
Typ.
Max.
tSCL
SCL input cycle time
12tCYC + 600 (2)
——
ns
tSCLH
SCL input “H” width
3tCYC + 300 (2)
——
ns
tSCLL
SCL input “L” width
5tCYC + 500 (2)
——
ns
tsf
SCL, SDA input fall time
300
ns
tSP
SCL, SDA input spike pulse rejection time
1tCYC (2)
ns
tBUF
SDA input bus-free time
5tCYC (2)
——
ns
tSTAH
Start condition input hold time
3tCYC (2)
——
ns
tSTAS
Retransmit start condition input setup time
3tCYC (2)
——
ns
tSTOP
Stop condition input setup time
3tCYC (2)
——
ns
tSDAS
Data input setup time
1tCYC + 40 (2)
——
ns
tSDAH
Data input hold time
10
ns
SDA
SCL
Notes:
1. Start condition
2. Stop condition
3. Retransmit start condition
tBUF
VIH
VIL
P (2)
S (1)
tSTAH
tSCLH
tSCLL
tSf
tSr
tSCL
tSDAH
Sr (3)
P (2)
tSDAS
tSTAS
tSP
tSTOP
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