參數(shù)資料
型號: TMS320C6727BGDH275
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Floating-Point Digital Signal Processors
中文描述: 浮點(diǎn)數(shù)字信號處理器
文件頁數(shù): 49/114頁
文件大?。?/td> 1030K
代理商: TMS320C6727BGDH275
www.ti.com
4.11.3 EMIF Electrical Data/Timing
TMS320C6727B, TMS320C6726B, TMS320C6722B, TMS320C6720
Floating-Point Digital Signal Processors
SPRS370–SEPTEMBER 2006
Table 4-5
through
Table 4-10
assume testing over recommended operating conditions (see
Figure 4-7
through
Figure 4-13
).
Table 4-5. 100-MHz EMIF SDRAM Interface Timing Requirements
(1)
NO.
19
20
MIN
MAX UNIT
t
su(EM_DV-EM_CLKH)
t
h(EM_CLKH-EM_DIV)
For more information about supported EMIF frequency, see
Table 2-1
.
Input setup time, read data valid on D[31:0] before EM_CLK rising
Input hold time, read data valid on D[31:0] after EM_CLK rising
3
ns
ns
1.9
(1)
Table 4-6. 100-MHz EMIF SDRAM Interface Switching Characteristics
(1)
NO.
1
2
3
4
5
6
7
PARAMETER
MIN
10
MAX UNIT
t
c(EM_CLK)
t
w(EM_CLK)
t
d(EM_CLKH-EM_CSV)S
t
oh(EM_CLKH-EM_CSIV)S
t
d(EM_CLKH-EM_WE-DQMV)S
t
oh(EM_CLKH-EM_WE-DQMIV)S
t
d(EM_CLKH-EM_AV)S
Cycle time, EMIF clock EM_CLK
Pulse width, EMIF clock EM_CLK high or low
Delay time, EM_CLK rising to EM_CS[0] valid
Output hold time, EM_CLK rising to EM_CS[0] invalid
Delay time, EM_CLK rising to EM_WE_DQM[3:0] valid
Output hold time, EM_CLK rising to EM_WE_DQM[3:0] invalid
Delay time, EM_CLK rising to EM_A[12:0] and EM_BA[1:0] valid
Output hold time, EM_CLK rising to EM_A[12:0] and EM_BA[1:0]
invalid
Delay time, EM_CLK rising to EM_D[31:0] valid
Output hold time, EM_CLK rising to EM_D[31:0] invalid
Delay time, EM_CLK rising to EM_RAS valid
Output hold time, EM_CLK rising to EM_RAS invalid
Delay time, EM_CLK rising to EM_CAS valid
Output hold time, EM_CLK rising to EM_CAS invalid
Delay time, EM_CLK rising to EM_WE valid
Output hold time, EM_CLK rising to EM_WE invalid
Delay time, EM_CLK rising to EM_D[31:0] 3-stated
Output hold time, EM_CLK rising to EM_D[31:0] driving
ns
ns
ns
ns
ns
ns
ns
3
7.7
1.15
7.7
1.15
7.7
8
t
oh(EM_CLKH-EM_AIV)S
1.15
ns
9
10
11
12
13
14
15
16
17
18
t
d(EM_CLKH-EM_DV)S
t
oh(EM_CLKH-EM_DIV)S
t
d(EM_CLKH-EM_RASV)S
t
oh(EM_CLKH-EM_RASIV)S
t
d(EM_CLKH-EM_CASV)S
t
oh(EM_CLKH-EM_CASIV)S
t
d(EM_CLKH-EM_WEV)S
t
oh(EM_CLKH-EM_WEIV)S
t
dis(EM_CLKH-EM_DHZ)S
t
ena(EM_CLKH-EM_DLZ)S
For more information about supported EMIF frequency, see
Table 2-1
.
7.7
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1.15
7.7
1.15
7.7
1.15
7.7
1.15
7.7
1.15
(1)
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TMS320C6727BGDH350 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC Floating-Point DSP RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
TMS320C6727BZDH250 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC Floating-Pt Dig RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時(shí)鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時(shí)器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風(fēng)格:SMD/SMT
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