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LPC64 bảng dữ liệu(PDF) 46 Page - NXP Semiconductors

tên linh kiện LPC64
Giải thích chi tiết về linh kiện  32-bit ARM Cortex-M3 microcontroller; up to 512 kB flash and 64 kB SRAM with Ethernet, USB 2.0 Host/Device/OTG, CAN
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nhà sản xuất  NXP [NXP Semiconductors]
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LPC64 bảng dữ liệu(HTML) 46 Page - NXP Semiconductors

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LPC1768_67_66_65_64_3
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 19 November 2009
46 of 65
NXP Semiconductors
LPC1768/67/66/65/64
32-bit ARM Cortex-M3 microcontroller
11. Dynamic characteristics
11.1 Flash memory
[1]
Number of program/erase cycles.
11.2 External clock
[1]
Parameters are valid over operating temperature range unless otherwise specified.
[2]
Typical ratings are not guaranteed. The values listed are at room temperature (25
°C), nominal supply voltages.
Table 7.
Flash characteristics
Tamb = −40 °C to +85 °C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Nendu
endurance
[1] 10000
-
-
cycles
tret
retention time
powered
10
-
-
years
unpowered
20
-
-
years
Table 8.
Dynamic characteristic: external clock
Tamb = −40 °C to +85 °C; VDD(3V3) over specified ranges.[1]
Symbol
Parameter
Conditions
Min
Typ[2]
Max
Unit
fosc
oscillator frequency
1
-
25
MHz
Tcy(clk)
clock cycle time
40
-
1000
ns
tCHCX
clock HIGH time
Tcy(clk) × 0.4
-
-
ns
tCLCX
clock LOW time
Tcy(clk) × 0.4
-
-
ns
tCLCH
clock rise time
-
-
5
ns
tCHCL
clock fall time
-
-
5
ns
Fig 10. External clock timing (with an amplitude of at least Vi(RMS) = 200 mV)
tCHCL
tCLCX
tCHCX
Tcy(clk)
tCLCH
002aaa907



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