IA82527_13 Datasheet, PDF (51/58 Pages) InnovASIC, Inc – Serial Communications Controller—CAN Protocol

IA82527
CAN Serial Communications Controller
Data Sheet
December 20, 2012
Table 19. Serial Interface Mode Timing for 3.3V Operation
Symbol
sclk
t_CYC
t_SKHI
t_SKLO
t_LEAD
t_LAG
t_ACC
t_PDO
t_HO
t_DIS
t_SETUP
t_HOLD
t_RISE
t_FALL
t_CS
t_COPD
t_CHCL
Parameter
Serial Port Interface Clock
1/sclk
Minimum Clock High Time
Minimum Clock Low Time
Enable Lead Time
Enable Lag Time
Access Time
Maximum Data Out Delay Time
Minimum Data Out Hold Time
Maximum Data Out Disable Time
Minimum Data Setup Time
Minimum Data Hold Time
Maximum Time for Input to go from V_OL to V_OH
Maximum Time for input to go from V_OH to V_OL
Minimum Time between Consecutive cs_n Assertions
clkout Period (CD_V is the value loaded in the CLKOUT
Register representing the clkout divisor)
clkout High Period (CD_V is the value loaded in the
CLKOUT Register representing the clkout divisor)
Minimum
Maximum
0.5 MHz
8 MHz
125 ns
2000 ns
65 ns
–
65 ns
–
70 ns
–
109 ns
–
–
60 ns
–
59 ns
0 ns
–
–
665 ns
35 ns
–
84 ns
–
–
100 ns
–
100 ns
670 ns
–
(CD_V + 1) × t_OSC
(CD_V + 1) × ½
t_OSC – 10
(CD_V + 1) × ½
t_OSC + 15
IA211080504-07
Page 51 of 58
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