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TMPR4925 Datasheet(PDF) 570 Page - Toshiba Semiconductor

Part # TMPR4925
Description  64-Bit TX System RISC TX49 Family
PDF  590 Pages
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Manufacturer  TOSHIBA [Toshiba Semiconductor]
Direct Link  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TMPR4925 Datasheet(HTML) 570 Page - Toshiba Semiconductor

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Chapter 22 Electrical Characteristics
22-4
22.5 AC Characteristics
22.5.1
MASTERCLK AC Characteristics
(Tc = 0 ~ 70
°C, VCCIO = 3.3 V ± 0.3 V, VCCInt = 1.5 V ± 0.1 V, VSS = 0 V)
Parameter
SYM
Condition
Min.
Max.
Unit
MASTERCLK Period
tMCP
50
ns
MASTERCLK Frequency
(*1)
fMCK
20
MHz
MASTERCLK High
tMCH
3
ns
MASTERCLK Low
tMCL
3
ns
Internal Operating Frequency
fCPU
25
200
MHz
MASTERCLK Rise Time
tMCR
2ns
MASTERCLK Fall Time
tMCF
2ns
*1:
Proper circuit operation of the TX4925 is guaranteed only when power supply to it is stable and the on-chip PLL is enabled.
Figure 22.5.1 Timing Diagrams: MASTERCLK
22.5.2
Power On AC Characteristics
(Tc = 0 ~ 70
°C, VCCIO = 3.3 V ± 0.3 V, VCCInt = 1.5 V ± 0.1 V, VSS = 0 V)
Parameter
SYM
Condition
Min.
Max.
Unit
PON* width time
tMCO_PLL
1
ms
PLL stable time
tMCP_PLL
10
ms
RESET* width time
tMCH_PLL
1
ms
Figure 22.5.2 Timing Diagrams: POWER ON RESET
0.8 VCC
0.2 VCC
tMCP
MASTERCLK
tMCL
tMCH
tMCR
tMCF
Vdd
MASTERCLK
MASTERCLK
Stable time
RESET*
PON*
PLL Output
CPUCLK
GBUSCLK
PCICLK
tMCP_PLL
tMCH_PLL
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tMCO_PLL



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