参数资料
型号: TMX320C6415GLW100
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: FIXED-POINT DIGITAL SIGNAL PROCESSOR
中文描述: 定点数字信号处理器
文件页数: 46/70页
文件大小: 1050K
代理商: TMX320C6415GLW100
TMS320C6205
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS106E
OCTOBER 1999
REVISED MARCH 2004
46
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
HOLD/HOLDA TIMING
timing requirements for the HOLD/HOLDA cycles
(see Figure 27)
NO.
200
UNIT
MIN
MAX
3
t
oh(HOLDAL-HOLDL)
Output hold time, HOLD low after HOLDA low
P
ns
P = 1/CPU clock frequency in ns. For example, when running parts at 200 MHz, use P = 5 ns.
switching characteristics over recommended operating conditions for the HOLD/HOLDA cycles
(see Figure 27)
NO.
PARAMETER
200
UNIT
MIN
4P
MAX
1
2
4
5
t
d(HOLDL-EMHZ)
t
d(EMHZ-HOLDAL)
t
d(HOLDH-EMLZ)
t
d(EMLZ-HOLDAH)
Delay time, HOLD low to EMIF Bus high impedance
Delay time, EMIF Bus high impedance to HOLDA low
Delay time, HOLD high to EMIF Bus low impedance
Delay time, EMIF Bus low impedance to HOLDA high
§
ns
ns
ns
ns
0
2P
7P
2P
3P
0
P = 1/CPU clock frequency in ns. For example, when running parts at 200 MHz, use P = 5 ns.
EMIF Bus consists of CE[3:0], BE[3:0], ED[31:0], EA[21:2], ARE, AOE, AWE, SDCAS/SSADS, SDRAS/SSOE, SDWE/SSWE, and SDA10.
§
All pending EMIF transactions are allowed to complete before HOLDA is asserted. The worst case for this is an asynchronous read or write with
external ARDY used or a minimum of eight consecutive SDRAM reads or writes when RBTR8 = 1. If no bus transactions are occurring, then the
minimum delay time can be achieved. Also, bus hold can be indefinitely delayed by setting NOHOLD = 1.
HOLD
HOLDA
EMIF Bus
DSP Owns Bus
External Requestor
Owns Bus
DSP Owns Bus
C6205
C6205
1
3
2
5
4
EMIF Bus consists of CE[3:0], BE[3:0], ED[31:0], EA[21:2], ARE, AOE, AWE, SDCAS/SSADS, SDRAS/SSOE, SDWE/SSWE, and SDA10.
Figure 27. HOLD/HOLDA Timing
相关PDF资料
PDF描述
TMX320C6416GGP100 FIXED-POINT DIGITAL SIGNAL PROCESSOR
TMX320C6416GHK100 FIXED-POINT DIGITAL SIGNAL PROCESSOR
TMX320C6416GJC100 FIXED-POINT DIGITAL SIGNAL PROCESSOR
TMX320C6416GJL100 FIXED-POINT DIGITAL SIGNAL PROCESSOR
TMX320C6416GLS100 FIXED-POINT DIGITAL SIGNAL PROCESSOR
相关代理商/技术参数
参数描述
TMX320C6415GLZ 制造商:Rochester Electronics LLC 功能描述:320C6415 GLZ KELVIN - Bulk
TMX320C6415TGLZ 功能描述:数字信号处理器和控制器 - DSP, DSC Fixed-Point Digital Signal Processor RoHS:否 制造商:Microchip Technology 核心:dsPIC 数据总线宽度:16 bit 程序存储器大小:16 KB 数据 RAM 大小:2 KB 最大时钟频率:40 MHz 可编程输入/输出端数量:35 定时器数量:3 设备每秒兆指令数:50 MIPs 工作电源电压:3.3 V 最大工作温度:+ 85 C 封装 / 箱体:TQFP-44 安装风格:SMD/SMT
TMX320C6416CGLZ 制造商:Rochester Electronics LLC 功能描述:- Bulk
TMX320C6416CGLZ300 制造商:TI 制造商全称:Texas Instruments 功能描述:FIXED-POINT DIGITAL SIGNAL PROCESSORS
TMX320C6416CGLZ5 制造商:Rochester Electronics LLC 功能描述:- Bulk