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RX21A_15 Datasheet, PDF (92/132 Pages) Renesas Technology Corp – Renesas MCUs | |||
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RX21A Group
5. Electrical Characteristics
Table 5.31 Timing of On-Chip Peripheral Modules (2)
Conditions: VCC = AVCC0 = AVCCA = 1.8 to 3.6 V, VSS = AVSS0 = AVSSA = VREFL = VREFL0 = VREFDSL = 0 V,
Ta = â40 to +105°C
When high-drive output is selected by the drive capacity register while 1.8 V ⤠VCC < 2.7 V
Item
Symbol
Min.
SCI
Input clock cycle
Asynchronous
Clock synchronous
tScyc
4
6
Input clock pulse width
Input clock rise time
Input clock fall time
Output clock cycle
Asynchronous
Clock synchronous
tSCKW
0.4
tSCKr
â
tSCKf
â
tScyc
16
4
Output clock pulse width
tSCKW
0.4
Output clock rise time
tSCKr
â
Output clock fall time
tSCKf
â
Transmit data delay time
Clock synchronous (master)
tTXD
â
Transmit data delay time
Clock synchronous (slave)
â
2.7 V ⤠VCC ⤠3.6 V
Clock synchronous (slave)
â
1.8 V ⤠VCC < 2.7 V
Receive data setup time
Clock synchronous (master)
tRXS
65
2.7 V ⤠VCC ⤠3.6 V
Clock synchronous (master)
75
1.8 V ⤠VCC < 2.7 V
Clock synchronous (slave)
40
Receive data hold time
Clock synchronous
tRXH
40
Max.
â
â
0.6
20
20
â
â
0.6
20
20
40
65
Unit*1
tPcyc
Test
Conditions
C = 30 pF
Figure 5.46
tScyc
ns
ns
tPcyc
C = 30 pF
Figure 5.47
tScyc
ns
ns
ns
85
â
ns
â
â
â
ns
Note 1. tPcyc: PCLK cycle
R01DS0129EJ0110 Rev.1.10
Aug 28, 2014
Page 92 of 132
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