Datasheet
LPC4370 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 2 — 21 October 2013 54 of 150
NXP Semiconductors
LPC4370
32-bit ARM Cortex-M4/M0 microcontroller
ADC pins
ADCHS_0 E3 A2
[9]
I; IA I 12-bit high-speed ADC input channel 0.
ADCHS_1 C3 A1
[9]
I; IA I 12-bit high-speed ADC input channel 1.
ADCHS_2 A4 B3
[9]
I; IA I 12-bit high-speed ADC input channel 2.
ADCHS_3 A5 -
[9]
I; IA I 12-bit high-speed ADC input channel 3.
ADCHS_4 C6 -
[9]
I; IA I 12-bit high-speed ADC input channel 4.
ADCHS_5 B3 -
[9]
I; IA I 12-bit high-speed ADC input channel 5.
ADCHS_NEG B5 A3
[9]
I; IA I/O 12-bit high-speed ADC reference voltage output or negative differential
input.
ADC0_7 C5 -
[9]
I; IA I 10-bit ADC0 input channel 7.
RTC
RTC_ALARM A11 C3
[12]
- O RTC controlled output.
RTCX1 A8 A5
[9]
- I Input to the RTC 32 kHz ultra-low power oscillator circuit.
RTCX2 B8 B5
[9]
- O Output from the RTC 32 kHz ultra-low power oscillator circuit.
Crystal oscillator pins
XTAL1 D1 B1
[9]
- I Input to the oscillator circuit and internal clock generator circuits.
XTAL2 E1 C1
[9]
- O Output from the oscillator amplifier.
Power and ground pins
USB0_VDDA
3V3_DRIVER
F3 D1 - - Separate analog 3.3 V power supply for driver.
USB0
_VDDA3V3
G3 D2 - - USB 3.3 V separate power supply voltage.
USB0_VSSA
_TERM
H3 D3 - - Dedicated analog ground for clean reference for termination resistors.
USB0_VSSA
_REF
G1 F2 - - Dedicated clean analog ground for generation of reference currents and
voltages.
VDDA B4 B2 - - Analog power supply and 10-bit ADC reference voltage.
VBAT B10 C5 - - RTC power supply: 3.3 V on this pin supplies power to the RTC.
VDDREG F10,
F9,
L8,
L7
E4,
E5,
F4
- Main regulator power supply. Tie the VDDREG and VDDIO pins to a
common power supply to ensure the same ramp-up time for both supply
voltages.
VPP E8 - - - OTP programming voltage.
Table 3. Pin description
…continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
LBGA256
TFBGA100
Reset state
[2]
Type
Description