Details

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BUY LPC2378FBD144,551 https://www.utsource.net/itm/p/12612251.html

Parameter	Description	Value
Package	Type of package	BGA-144
Operating Voltage (VCC)	Supply voltage range	3.0 V to 3.6 V
Flash Memory	Size of on-chip Flash memory	512 KB
SRAM	Size of on-chip SRAM	32 KB
Clock Speed	Maximum clock frequency	72 MHz
CPU	Central Processing Unit	ARM7TDMI-S
I/O Ports	Number of I/O pins	112
UARTs	Number of UART interfaces	4
SPIs	Number of SPI interfaces	2
I2Cs	Number of I2C interfaces	2
CANs	Number of CAN interfaces	2
USB	USB interface support	Full-speed USB 2.0 device/host/OTG
ADC	Analog-to-Digital Converter	10-bit, 8 channels
DAC	Digital-to-Analog Converter	10-bit, 1 channel
Timers	Number of timers	4 (32-bit)
PWM	Pulse Width Modulation channels	6
Watchdog Timer	Watchdog timer	Yes
Real-Time Clock (RTC)	Real-time clock	Yes
Power Management	Low power modes	Sleep, Deep Sleep, Power Down
Temperature Range	Operating temperature range	-40掳C to +85掳C
ESD Protection	Electrostatic discharge protection	卤2 kV (HBM)
Operating Current	Typical operating current at 3.3V, 72 MHz	25 mA
Standby Current	Typical standby current	10 渭A
Package Pin Pitch	Pin pitch of the BGA package	0.8 mm
Package Dimensions	Dimensions of the BGA package	14 mm x 14 mm

Instructions for Use

1. Power Supply:

   • Connect the VCC pin to a stable 3.0 V to 3.6 V power supply.
   • Ensure the power supply has adequate decoupling capacitors (e.g., 100 nF and 10 渭F) placed close to the VCC and GND pins.

2. Clock Configuration:

   • The internal RC oscillator can be used as the system clock source.
   • For higher precision, connect an external crystal or oscillator to the XTAL1 and XTAL2 pins.

3. Reset:

   • The reset pin (nRST) should be pulled high to keep the device active.
   • A push-button switch can be connected to the nRST pin for manual resets.

4. Programming:

   • Use an in-circuit debugger or programmer compatible with the JTAG interface.
   • The JTAG pins (TCK, TMS, TDI, TDO) are used for programming and debugging.

5. I/O Configuration:

   • Configure the I/O pins as input, output, or alternate functions using the appropriate registers.
   • Enable pull-up or pull-down resistors as needed.

6. Peripheral Setup:

   • Initialize UART, SPI, I2C, CAN, and USB peripherals by configuring their respective control registers.
   • Set up ADC and DAC channels for analog signal processing.

7. Low Power Modes:

   • Enter low power modes (Sleep, Deep Sleep, Power Down) by writing to the power control registers.
   • Use the watchdog timer to ensure the device wakes up from low power modes.

8. Real-Time Clock (RTC):

   • Configure the RTC to keep track of time even when the device is in low power mode.
   • Use an external 32.768 kHz crystal for accurate timekeeping.

9. Thermal Management:

   • Ensure proper heat dissipation by providing adequate PCB copper area and possibly a heatsink if necessary.
   • Monitor the device temperature to avoid exceeding the maximum operating temperature.

10. ESD Protection:

    • Handle the device with care to avoid electrostatic discharge.
    • Use ESD-safe tools and work surfaces during handling and assembly.

For detailed information, refer to the LPC2378FBD144,551 datasheet and user manual.

(For reference only)