参数资料
型号: TMS320C2812ZHHS
厂商: TEXAS INSTRUMENTS INC
元件分类: 数字信号处理
英文描述: 16-BIT, 150 MHz, OTHER DSP, PBGA179
封装: LEAD FREE, BGA-179
文件页数: 30/156页
文件大小: 1826K
代理商: TMS320C2812ZHHS
Electrical Specifications
125
April 2001 Revised October 2005
SPRS174M
Unless otherwise specified, all XINTF timing is applicable for the clock configurations shown in Table 629.
Table 629. XINTF Clock Configurations
MODE
SYSCLKOUT
XTIMCLK
XCLKOUT
1
Example:
150 MHz
SYSCLKOUT
150 MHz
SYSCLKOUT
150 MHz
2
Example:
150 MHz
SYSCLKOUT
150 MHz
1/2 SYSCLKOUT
75 MHz
3
Example:
150 MHz
1/2 SYSCLKOUT
75 MHz
1/2 SYSCLKOUT
75 MHz
4
Example:
150 MHz
1/2 SYSCLKOUT
75 MHz
1/4 SYSCLKOUT
37.5 MHz
The relationship between SYSCLKOUT and XTIMCLK is shown in Figure 629.
XTIMING0
XTIMING1
XTIMING2
XTIMING6
XTIMING7
XBANK
LEAD/ACTIVE/TRAIL
1
0
XCLKOUT
/2
XTIMCLK
1
0
/2
C28x
CPU
XINTCNF2
(CLKMODE)
XINTCNF2
(XTIMCLK)
Default Value after reset
SYSCLKOUT
XINTCNF2
(CLKOFF)
1
0
Figure 629. Relationship Between XTIMCLK and SYSCLKOUT
6.23
XINTF Signal Alignment to XCLKOUT
For each XINTF access, the number of lead, active, and trail cycles is based on the internal clock XTIMCLK.
Strobes such as XRD, XWE, and zone chip-select (XZCS) change state in relationship to the rising edge of
XTIMCLK. The external clock, XCLKOUT, can be configured to be either equal to or one-half the frequency
of XTIMCLK.
For the case where XCLKOUT = XTIMCLK, all of the XINTF strobes will change state with respect to the rising
edge of XCLKOUT. For the case where XCLKOUT = one-half XTIMCLK, some strobes will change state either
on the rising edge of XCLKOUT or the falling edge of XCLKOUT. In the XINTF timing tables, the notation
XCOHL is used to indicate that the parameter is with respect to either case; XCLKOUT rising edge (high) or
XCLKOUT falling edge (low). If the parameter is always with respect to the rising edge of XCLKOUT, the
notation XCOH is used.
相关PDF资料
PDF描述
TMS320C6747BZKB4 OTHER DSP, PBGA256
TMS320LF2407APGEA 16-BIT, 20 MHz, OTHER DSP, PQFP144
TMS426409AP-60DJ 4M X 4 EDO DRAM, 60 ns, PDSO24
TMS426809AP-70DGC 2M X 8 EDO DRAM, 70 ns, PDSO28
TMS44400DJ-80 1M X 4 FAST PAGE DRAM, 80 ns, PDSO20
相关代理商/技术参数
参数描述
TMS320C28341 制造商:TI 制造商全称:Texas Instruments 功能描述:Delfino Microcontrollers
TMS320C28341ZEPQ 制造商:Texas Instruments 功能描述:DELFINO MICROCONTROLLER - Trays
TMS320C28341ZFEQ 功能描述:32位微控制器 - MCU Delfino MCU RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
TMS320C28341ZFET 功能描述:32位微控制器 - MCU Delfino MCU RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT
TMS320C28341ZHHT 功能描述:32位微控制器 - MCU Delfino MCU RoHS:否 制造商:Texas Instruments 核心:C28x 处理器系列:TMS320F28x 数据总线宽度:32 bit 最大时钟频率:90 MHz 程序存储器大小:64 KB 数据 RAM 大小:26 KB 片上 ADC:Yes 工作电源电压:2.97 V to 3.63 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:LQFP-80 安装风格:SMD/SMT