參數(shù)資料
型號(hào): R5F21248SNXXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP52
封裝: 10 X 10 MM, 0.65 MM PITCH, PLASTIC, LQFP-52
文件頁數(shù): 31/59頁
文件大?。?/td> 528K
代理商: R5F21248SNXXXFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 37 of 51
REJ03B0117-0300
NOTES:
1.
VCC = 2.2 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 5.14
Timing Requirements of I2C bus Interface(1)
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 + 20(2)
ns
tSDAH
Data input hold time
0
ns
SDA
tSTAH
tSCLL
tBUF
VIH
VIL
tSCLH
SCL
tsr
tsf
tSDAH
tSCL
tSTAS
tSP
tSTOP
tSDAS
P(2)
S(1)
Sr(3)
P(2)
NOTES:
1. Start condition
2. Stop condition
3. Retransmit start condition
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