參數(shù)資料
型號: MCF5235CVM150
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 150 MHz, RISC PROCESSOR, PBGA256
封裝: MAPBGA-256
文件頁數(shù): 58/76頁
文件大小: 2665K
代理商: MCF5235CVM150
MOTOROLA
MCF523x Integrated Microprocessor Hardware Specifications
61
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Processor Bus Output Timing Specifications
Figure 14 shows an SDRAM read cycle.
Figure 14. SDRAM Read Cycle
Table 48. SDRAM Timing
NUM
Characteristic
Symbol
Min
Max
Unit
D1
CLKOUT high to SDRAM address valid
tCHDAV
9
ns
D2
CLKOUT high to SDRAM control valid
tCHDCV
9
ns
D3
CLKOUT high to SDRAM address invalid
tCHDAI
1.5
ns
D4
CLKOUT high to SDRAM control invalid
tCHDCI
1.5
ns
D5
SDRAM data valid to CLKOUT high
tDDVCH
4
ns
D6
CLKOUT high to SDRAM data invalid
tCHDDI
1.5
ns
D7 1
1
D7 and D8 are for write cycles only.
CLKOUT high to SDRAM data valid
tCHDDVW
9
ns
D82
CLKOUT high to SDRAM data invalid
tCHDDIW
1.5
ns
A[23:0]
RAS
D[31:0]
ACTV
NOP
PALL
NOP
RAS[1:0[
READ
Column
SD_CKE
0
SDWE
CAS[3:0]
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
D1
D2
D4
D6
D5
D4
1 DACR[CASL] = 2
CAS 1
NOP
D4
Row
D3
D2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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