參數資料
型號: R5F21245SDFP
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: 29/61頁
文件大?。?/td> 529K
代理商: R5F21245SDFP
R8C/24 Group, R8C/25 Group
5. Electrical Characteristics
Rev.3.00
Feb 29, 2008
Page 33 of 51
REJ03B0117-0300
NOTES:
1.
VCC = 2.2 to 5.5 V, VSS = 0 V at Topr = -20 to 85
°C (N version) / -40 to 85°C (D version), unless otherwise specified.
2.
1tCYC = 1/f1(s)
Table 5.13
Timing Requirements of Clock Synchronous Serial I/O with Chip Select(1)
Symbol
Parameter
Conditions
Standard
Unit
Min.
Typ.
Max.
tSUCYC
SSCK clock cycle time
4
tCYC(2)
tHI
SSCK clock “H” width
0.4
0.6
tSUCYC
tLO
SSCK clock “L” width
0.4
0.6
tSUCYC
tRISE
SSCK clock rising
time
Master
1
tCYC(2)
Slave
1
s
tFALL
SSCK clock falling
time
Master
1
tCYC(2)
Slave
1
s
tSU
SSO, SSI data input setup time
100
ns
tH
SSO, SSI data input hold time
1
tCYC(2)
tLEAD
SCS setup time
Slave
1tCYC + 50
ns
tLAG
SCS hold time
Slave
1tCYC + 50
ns
tOD
SSO, SSI data output delay time
1
tCYC(2)
tSA
SSI slave access time
2.7 V
≤ VCC ≤ 5.5 V
1.5tCYC + 100
ns
2.2 V
≤ VCC < 2.7 V
1.5tCYC + 200
ns
tOR
SSI slave out open time
2.7 V
≤ VCC ≤ 5.5 V
1.5tCYC + 100
ns
2.2 V
≤ VCC < 2.7 V
1.5tCYC + 200
ns
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