參數(shù)資料
型號(hào): R5F21322ADSP
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 20 MHz, MICROCONTROLLER, PDSO20
封裝: 4.40 X 6.50 MM, 0.65 MM PITCH, PLASTIC, LSSOP-20
文件頁(yè)數(shù): 46/58頁(yè)
文件大?。?/td> 455K
代理商: R5F21322ADSP
R8C/32A Group
5. Electrical Characteristics
REJ03B0229-0100 Rev.1.00
Sep 10, 2009
Page 48 of 53
i = 0, 2
Figure 5.14
Serial Interface Timing Diagram when VCC = 3 V
Notes:
1.
When selecting the digital filter by the INTi input filter select bit, use an INTi input HIGH width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
2.
When selecting the digital filter by the INTi input filter select bit, use an INTi input LOW width of either (1/digital filter clock
frequency × 3) or the minimum value of standard, whichever is greater.
Figure 5.15
Input Timing for External Interrupt INTi and Key Input Interrupt KIi when Vcc = 3 V
Table 5.26
Serial Interface
Symbol
Parameter
Standard
Unit
Min.
Max.
tc(CK)
CLKi input cycle time
300
ns
tW(CKH)
CLKi input “H” width
150
ns
tW(CKL)
CLKi Input “L” width
150
ns
td(C-Q)
TXDi output delay time
80
ns
th(C-Q)
TXDi hold time
0
ns
tsu(D-C)
RXDi input setup time
70
ns
th(C-D)
RXDi input hold time
90
ns
Table 5.27
External Interrupt INTi (i = 0, 1, 3) Input, Key Input Interrupt KIi (i = 0 to 3)
Symbol
Parameter
Standard
Unit
Min.
Max.
tW(INH)
INTi input “H” width, KIi input “H” width
380 (1)
ns
tW(INL)
INTi input “L” width, KIi input “L” width
380 (2)
ns
tW(CKH)
tC(CK)
tW(CKL)
th(C-Q)
th(C-D)
tsu(D-C)
td(C-Q)
CLKi
TXDi
RXDi
VCC = 3 V
i = 0, 2
tW(INL)
tW(INH)
VCC = 3 V
INTi input
(i = 0, 1, 3)
KIi input
(i = 0 to 3)
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