Core8051
Figure 12 shows an external data memory write cycle without stretch cycles.
0ns
50ns
100ns
150ns
200ns
250ns
300ns
clk
memaddr
N
N+1
Addr
N+1
memrd
memwr
mempsrd
memdatao
Data
write sample
memdatai
(N)
read sample
(N+1)
read sample
Figure 12 ? External Data Memory Write Cycle without Stretch Cycles
Figure 13 shows an external data memory write cycle with one stretch cycle.
0ns
50ns
100ns
150ns
200ns
250ns
300ns
clk
memaddr
N
N+1
Addr
N+1
memrd
memwr
mempsrd
memdatao
Data
write sample
memdatai
(N)
read sample
(N+1)
read
sample
Figure 13 ? External Data Memory Write Cycle with One Stretch Cycle
Figure 14 shows an external data memory write cycle with two stretch cycles.
0ns
50ns
100ns
150ns
200ns
250ns
300ns
350ns
400ns
clk
memaddr
N+1
Addr
N+1
memrd
memwr
mempsrd
memdatao
Data
write sample
memdatai
(N)
read sample
(N+1)
read sample
Figure 14 ? External Data Memory Write Cycle with Two Stretch Cycles
24
v6.0
相关PDF资料
COREFFT-RM IP MODULE COREFFT
COREFIR-RM IP MODULE COREFIR
COREPCIF-RM IP MODULE COREPCIF
COREU1LL-AR IP MODULE COREU1LL
COREU1PHY-AR IP MODULE COREU1PHY
CORR-8BIT-XM-UT2 SITE LICENSE IP CORRELATOR XP
CP2-GSA-L CONN SHIELD LOWER TYPE A 22
CP2-HSA110-1 CONN SHROUD CPCI 2MM TYPE A 22
相关代理商/技术参数
CORE8051-EV 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051
CORE8051-SN 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051
CORE8051-SR 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051
CORE8051-UR 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051
CORE8051-XX 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:Core8051
Core8b/10b-AR 制造商:Microsemi Corporation 功能描述:CORE - Virtual or Non-Physical Inventory (Software & Literature)
COREAES128 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CoreAES128
COREAES128-AN 制造商:ACTEL 制造商全称:Actel Corporation 功能描述:CoreAES128