参数资料
型号: IA82527-PLC44A-R
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: 34/45页
文件大小: 1760K
代理商: IA82527-PLC44A-R
IA82527
CAN Serial Communications Controller
As of Production Ver. 00
PRELIMINARY
Table 10. Mode 3 Asynchronous Operation Timing
04 May 2007
Copyright
2007
EN21070504-00
www.Innovasic.com
Customer Support:
Page 34 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
Address or
r-w_n
Valid to
cs_n
Low
Setup
cs_n
Low to Data Valid
(for High-Speed Registers 02H, 04H, and
05H)
cs_n
Low to Data Valid
(for Low-Speed Registers)
Read Cycle without Previous Write
cs_n
Low to Data Valid
(for Low-Speed Registers)
Read Cycle with Previous Write
dsack0_n
Low to Output Data Valid
(for High-Speed Read Registers)
dsack0_n
Low to Output Data Valid
(for Low-Speed Read Registers)
Input Data Hold after
cs_n
High
Output Data Hold after
cs_n
High
cs_n
High to Output Data Float
cs_n
High to
dsack0_n
= 2.4V
(An on-chip pull-up will drive
dsack0_n
to
approximately 2.4V; an external pull-up is
required to drive this signal to a higher
voltage.)
cs_n
High to
dsack0_n
= 2.8V
cs_n
High to
dsack0_n
Float
cs_n
Width between Successive Cycles
cs_n
High to Address Invalid
cs_n
Width Low
CPU Write Data Valid to
cs_n
High
8 MHz
4 MHz
2 MHz
16 MHz
10 MHz
8 MHz
t
AVCL
3 ns
0 ns
55 ns
0 ns
1.5 t
mclk
+ 100 ns
t
CLDV
0 ns
3.5 t
mclk
+ 100 ns
23 ns
t
KLDV
< 0 ns
t
CHDV
t
CHDH
t
CHDZ
15 ns
0 ns
35 ns
t
CHKH1
0 ns
55 ns
t
CHKH2
t
CHKZ
t
CHCL
t
CHAI
t
CLCH
t
DVCH
150 ns
100 ns
0 ns
25 ns
7 ns
65 ns
20 ns
continued
. . .
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