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Technical parameters

Key specs

CoreARM7
Core size32 bit
Speed72 MHzMax
Flash512 kB
RAM58 kB
I/O count104
Supply voltage3 ~ 3.6 V

Datasheet-verified parameters

24 items
ParameterValue and test conditionsSource
CoreARM7TDMI-S
Bits16-bit/32-bit
Speedup to 72 MHz
Flash512 kB
RAM58 kB (32 kB Local bus + 16 kB Ethernet buffer + 8 kB GP/USB + 2 kB RTC)
IO countup to 104 fast GPIO lines
Supply voltage3.0 V to 3.6 V (VDD(3V3))
PackageLQFP144 (SOT486-1)
Operating temperature-40 °C to +85 °C
GradeCommercial
Maximum junction temperature125 °C
Storage temperature-65 °C to +150 °C
Total power dissipation1.5 W
Electrostatic discharge voltage-2500 V to +2500 V (Human body model)
ADC channels8
DAC channels1
CAN channels2
USB deviceyes (with 4 kB FIFO)
EthernetRMII
External busMiniBus: 8 data, 16 address, and 2 chip select lines
Oscillator frequency1 MHz to 25 MHz
Internal RC oscillator4 MHz (trimmed to 1 % accuracy)
Watchdog timerProgrammable 32-bit timer
Interrupt controllerAdvanced Vectored Interrupt Controller (VIC), supporting up to 32 vectored interrupts
All parameters (10)ExpandCollapse
Power
Supply Voltage (VDD(3V3))3.0 V to 3.6 V
AC and DC characteristics
ADC Resolution10-bit
DAC Resolution10-bit
Environment and package
Operating Temperature Range-40 °C to +85 °C
PackageLQFP144
Other
CPU16-bit/32-bit ARM7TDMI-S
Flash Memory512 kB
GPIO Pins104
Max Clock Rate72 MHz
SRAM58 kB

Pinout and package

Fig 2. LPC2377/78 pinning
Fig 2. LPC2377/78 pinning
Package: LQFP144 (SOT486-1)

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