参数资料
型号: KMC8113TMP3600V
厂商: Freescale Semiconductor
文件页数: 18/44页
文件大小: 0K
描述: IC DSP 300/400MHZ 431FCPGA
标准包装: 2
系列: StarCore
类型: SC140 内核
接口: 以太网,I²C,TDM,UART
时钟速率: 300MHz
非易失内存: 外部
芯片上RAM: 1.436MB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.10V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 431-BFBGA,FCBGA
供应商设备封装: 431-FCPBGA(20x20)
包装: 托盘
Electrical Characteristics
MSC8113 Tri-Core Digital Signal Processor Data Sheet, Rev. 1
Freescale Semiconductor
25
2.5.5.2
CLKIN to CLKOUT Skew
Table 17 describes the CLKOUT-to-CLKIN skew timing.
For designs that use the CLKOUT synchronization mode, use the skew values listed in Table 16 to adjust the rise-to-fall timing
values specified for CLKIN synchronization. Figure 12 shows the relationship between the CLKOUT and CLKIN timings.
2.5.5.3
DMA Data Transfers
Table 17 describes the DMA signal timing.
The DREQ
signal is synchronized with REFCLK. To achieve fast response, a synchronized peripheral should assert DREQ
according to the timings in Table 17. Figure 13 shows synchronous peripheral interaction.
Table 16. CLKOUT Skew
No.
Characteristic
Min1
Max1
Units
20
Rise-to-rise skew
0.0
0.95
ns
21
Fall-to-fall skew
–1.5
1.0
ns
23
CLKOUT phase (1.1 V, 133 MHz)
Phase high
Phase low
2.2
ns
24
CLKOUT phase (1.1 V, 100 MHz)
Phase high
Phase low
3.3
ns
Notes:
1.
A positive number indicates that CLKOUT precedes CLKIN, A negative number indicates that CLKOUT follows CLKIN.
2.
Skews are measured in clock mode 29, with a CLKIN:CLKOUT ratio of 1:1. The same skew is valid for all clock modes.
3.
CLKOUT skews are measured using a load of 10 pF.
4.
CLKOUT skews and phase are not measured for 500/166 Mhz parts because these parts only use CLKIN mode.
Figure 12. CLKOUT and CLKIN Signals.
Table 17. DMA Signals
No.
Characteristic
Ref = CLKIN
Units
Min
Max
37
DREQ set-up time before the 50% level of the falling edge of REFCLK
5.0
ns
38
DREQ hold time after the 50% level of the falling edge of REFCLK
0.5
ns
39
DONE set-up time before the 50% level of the rising edge of REFCLK
5.0
ns
40
DONE hold time after the 50% level of the rising edge of REFCLK
0.5
ns
41
DACK/DRACK/DONE delay after the 50% level of the REFCLK rising edge
0.5
7.5
ns
CLKIN
CLKOUT
20
21
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