參數(shù)資料
型號(hào): DSP56F801EVM
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 29/48頁(yè)
文件大小: 0K
描述: KIT EVALUATION FOR DSP56F801
標(biāo)準(zhǔn)包裝: 1
Quad Timer Timing
56F801 Technical Data, Rev. 17
Freescale Semiconductor
35
3.8 Quad Timer Timing
Figure 3-23 Timer Timing
3.9 Serial Communication Interface (SCI) Timing
Table 3-13 Timer Timing1, 2
Operating Conditions: V
SS = VSSA = 0 V, VDD = VDDA = 3.0–3.6 V, TA = –40° to +85°C, CL 50pF
1.
In the formulas listed, T = clock cycle. For 80MHz operation, T = 12.5ns.
2.
Parameters listed are guaranteed by design.
Characteristic
Symbol
Min
Max
Unit
Timer input period
PIN
4T+6
ns
Timer input high/low period
PINHL
2T+3
ns
Timer output period
POUT
2T
ns
Timer output high/low period
POUTHL
1T
ns
Table 3-14 SCI Timing4
Operating Conditions: V
SS = VSSA = 0 V, VDD = VDDA = 3.0–3.6 V, TA = –40° to +85°C, CL 50pF
Characteristic
Symbol
Min
Max
Unit
Baud Rate1
1.
fMAX is the frequency of operation of the system clock in MHz.
BR
(fMAX*2.5)/(80)
Mbps
RXD2 Pulse Width
2.
The RXD pin in SCI0 is named RXD0 and the RXD pin in SCI1 is named RXD1.
RXDPW
0.965/BR
1.04/BR
ns
TXD3 Pulse Width
3.
The TXD pin in SCI0 is named TXD0 and the TXD pin in SCI1 is named TXD1.
4.
Parameters listed are guaranteed by design.
TXDPW
0.965/BR
1.04/BR
ns
Timer Inputs
Timer Outputs
POUTHL
POUT
PIN
PINHL
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