參數(shù)資料
型號(hào): TMX320C2812PGFQ
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號(hào)處理
英文描述: TMS320R2811, TMS320R2812 Digital Signal Processors
中文描述: TMS320R2811,TMS320R2812數(shù)字信號(hào)處理器
文件頁數(shù): 123/147頁
文件大?。?/td> 2021K
代理商: TMX320C2812PGFQ
Electrical Specifications
123
June 2004
SPRS257
Lead 1
Active
Trail
XCLKOUT = XTIMCLK
XCLKOUT = 1/2 XTIMCLK
XA[0:18]
XD[0:15]
XREADY(Asynch)
t
d(XCOHL-XWEH)
t
d(XCOHL-XZCSH)
t
d(XCOH-XA)
WS (Asynch)
XZCS0AND1, XZCS2,
XZCS6AND7
XRD
XWE
XR/W
t
d(XCOH-XZCSL)
NOTES: A. All XINTF accesses (lead period) begin on the rising edge of XCLKOUT. When necessary, the device will insert an
alignment cycle before an access to meet this requirement.
B. During alignment cycles, all signals will transition to their inactive state.
C. During inactive cycles, the XINTF address bus will always hold the last address put out on the bus. This includes
alignment cycles.
D. For each sample, setup time from the beginning of the access can be calculated as:
D = (XWRLEAD + XWRACTIVE
3 + n) t
c(XTIM)
t
su(XRDYasynchL)XCOHL
where n is the sample number: n = 1, 2, 3 and so forth.
E. Reference for the first sample is with respect to this point
E = (XWRLEAD + XWRACTIVE
2) t
c(XTIM)
t
d(XCOH-XRNWL)
t
d(XCOHL-XRNWH)
t
en(XD)XWEL
t
h(XD)XWEH
t
h(XRDYasynchL)
DOUT
t
dis(XD)XRNW
t
h(XRDYasynchH)XZCSH
See Note E
See Note D
= Don’t care. Signal can be high or low during this time.
Legend:
t
su(XRDYasynchL)XCOHL
t
su(XRDYasynchH)XCOHL
t
d(XWEL-XD)
t
d(XCOHL-XWEL)
See Notes
A and B
See Note C
t
e(XRDYasynchH)
Figure 6
31. Write With Asynchronous XREADY Access
XTIMING register parameters used for this example:
XRDLEAD
XRDACTIVE
XRDTRAIL
USEREADY
X2TIMING
XWRLEAD
XWRACTIVE
XWRTRAIL
READYMODE
N/A
N/A
N/A
1
0
1
3
1
1 = XREADY
(Asynch)
N/A = “Don’t care” for this example
A
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TMX320C28343ZHH 功能描述:32位微控制器 - MCU Delfino MCU RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:90 MHz 程序存儲(chǔ)器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風(fēng)格:SMD/SMT