参数资料
型号: IA82527-PTQ44A
厂商: Innovasic Semiconductor
英文描述: Serial Communications Controller CAN Protocol
中文描述: 串行通信控制器的CAN协议
文件页数: 37/45页
文件大小: 1760K
代理商: IA82527-PTQ44A
IA82527
CAN Serial Communications Controller
As of Production Ver. 00
PRELIMINARY
Table 11. Mode 3 Synchronous Operation Timing
04 May 2007
Copyright
2007
EN21070504-00
www.Innovasic.com
Customer Support:
Page 37 of 45
1-888-824-4184
Symbol
Parameter
Minimum
Maximum
1/t
XTAL
1/t
SCLK
1/t
MCLK
Oscillator Frequency
System Clock Frequency
Memory Clock Frequency
e
High to Data Valid
(for High-Speed Registers 02H, 04H,
and 5H)
e
High to Data Valid
(for Low-Speed Registers)
Read Cycle without Previous Write
e
High to Data Valid
(for Low-Speed Registers)
Read Cycle with Previous Write
Data Hold after
e
Low for a Read Cycle
Data Float after
e
Low
Data Hold after
e
Low for a Write Cycle
Address and
r-w_n
to e Setup
Address and
r-w_n
Valid after e Falls
cs_n
Valid to
e
High
cs_n
Valid after
e
Low
Data Setup to e Low
e
Active Width
Start of a Write Cycle after a Previous
Write Access
Address or
r-w_n
to
cs_n
Low Setup
cs_n
High Address Invalid
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.)
8 MHz
4 MHz
2 MHz
16 MHz
10 MHz
8 MHz
55 ns
1.5 t
mclk
+ 100 ns
t
EHDV
3.5 t
mclk
+ 100 ns
t
ELDH
t
ELDZ
t
ELDV
t
AVEH
t
ELAV
t
CVEH
t
ELCV
t
DVEL
t
EHEL
5 ns
35 ns
15 ns
25 ns
15 ns
0 ns
0 ns
55 ns
100 ns
t
AVAV
2 t
mclk
t
AVCL
t
CHAI
3 ns
7 ns
t
COPD
(CD
V
+ 1) * t
osc
t
CHCL
(CD
V
+ 1) * t
osc
– 10
(CD
V
+ 1) * t
osc
+ 15
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