参数资料
型号: R5F21112DFP
厂商: Renesas Technology Corp.
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 单片16位CMOS微机
文件页数: 13/29页
文件大小: 275K
代理商: R5F21112DFP
Rev.1.40
Sep 30, 2004
page 20 of 26
REJ09B0034-0140Z
R8C/11 Group
5. Electrical Characteristics
Timing requirements (Unless otherwise noted: VCC = 5V, VSS = 0V at Ta = 25 °C) [VCC=5V]
Table 5.12 XIN input
________
Table 5.13 CNTR0 input, CNTR1 input, INT2 input
________
Table 5.14 TCIN input, INT3 input
Table 5.15 Serial Interface
________
Table 5.16 External interrupt INT0 input
Symbol
tC(XIN)
tWH(XIN)
tWL(XIN)
Parameter
XIN input cycle time
XIN input HIGH pulse width
XIN input LOW pulse width
Min.
50
25
Max.
Unit
ns
Standard
Symbol
tC(CNTR0)
tWH(CNTR0)
tWL(CNTR0)
Parameter
CNTR0 input cycle time
CNTR0 input HIGH pulse width
CNTR0 input LOW pulse width
Min.
100
40
Max.
Unit
ns
Standard
Symbol
tC(TCIN)
tWH(TCIN)
tWL(TCIN)
Parameter
TCIN input cycle time
TCIN input HIGH pulse width
TCIN input LOW pulse width
Min.
400 (1)
200 (2)
Max.
Unit
ns
Standard
NOTES
1 :When using the Timer C input capture mode, adjust the cycle time above ( 1/ Timer C count source
frequency x 3).
2 : When using the Timer C input capture mode, adjust the pulse width above ( 1/ Timer C count source
frequency x 1.5).
NOTES
________
1 : When selecting the digital filter by the INT0 input filter select bit, use the INT0 input HIGH pulse width
to the greater value,either ( 1/ digital filter clock frequency x 3) or the minimum value of standard.
________
2 : When selecting the digital filter by the INT0 input filter select bit, use the INT0 input LOW pusle width
to the greater value,either ( 1/ digital filter clock frequency x 3) or the minimum value of standard.
Symbol
tC(CK)
tW(CKH)
tW(CKL)
td(C-Q)
th(C-Q)
tsu(D-C)
th(C-D)
Parameter
CLKi input cycle time
CLKi input HIGH pulse width
CLKi input LOW pulse width
TxDi output delay time
TxDi hold time
RxDi input setup time
RxDi input hold time
Min.
200
100
0
35
90
Max.
Unit
ns
Standard
80
Symbol
tW(INH)
tW(INL)
Parameter
________
INT0 input HIGH pulse width
________
INT0 input LOW pulse width
Min.
250 (1)
250 (2)
Max.
Unit
ns
Standard
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