LPC2387FBD100,551 NXP Semiconductors, LPC2387FBD100,551 Datasheet - Page 55

• Manufacturer Part Number: LPC2387FBD100,551
• Description: IC ARM7 MCU FLASH 512K 100LQFP
• Manufacturer: NXP Semiconductors
• Series: LPC2300r

Specifications of LPC2387FBD100,551

• Program Memory Type: FLASH
• Program Memory Size: 512KB (512K x 8)
• Package / Case: 100-LQFP
• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 72MHz
• Connectivity: CAN, Ethernet, I²C, Microwire, MMC, SPI, SSI, SSP, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 70
• Ram Size: 98K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 6x10b; D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: LPC23
• Core: ARM7TDMI-S
• Data Bus Width: 16 bit, 32 bit
• Data Ram Size: 98 KB
• Interface Type: CAN/I2C/I2S/SSP/UART/USB
• Maximum Clock Frequency: 72 MHz
• Number Of Programmable I/os: 70
• Number Of Timers: 4
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: MDK-ARM, RL-ARM, ULINK2, MCB2387, MCB2387U, MCB2387UME
• Development Tools By Supplier: OM11013
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 6-ch x 10-bit
• On-chip Dac: 1-ch x 10-bit
• Cpu Family: LPC2000
• Device Core: ARM7TDMI-S
• Device Core Size: 16/32Bit
• Frequency (max): 72MHz
• Total Internal Ram Size: 98KB
• # I/os (max): 70
• Number Of Timers - General Purpose: 4
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 568-4359 - BOARD EVAL FOR LPC2387568-4310 - EVAL BOARD LPC2158 W/LCD568-3999 - BOARD EVAL FOR LPC23 ARM MCU622-1005 - USB IN-CIRCUIT PROG ARM7 LPC2K
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 568-4322; 935284932551; LPC2387FBD100-S

NXP Semiconductors
LPC2387
Product data sheet
14.3 RTC 32 kHz oscillator component selection
Table 14.
Table 15.
The RTC external oscillator circuit is shown in
integrated on chip, only a crystal, the capacitances C
externally to the microcontroller.
Table 16
capacitance of the crystal and is usually specified by the crystal manufacturer. The actual
C
different load capacitance, the circuit will oscillate at a slightly different frequency
(depending on the quality of the crystal) compared to the specified one. Therefore for an
accurate time reference it is advised to use the load capacitors as specified in
Fundamental oscillation
frequency F
5 MHz to 10 MHz
Fundamental oscillation
frequency F
15 MHz to 20 MHz
10 MHz to 15 MHz
15 MHz to 20 MHz
20 MHz to 25 MHz
Fig 24. RTC oscillator modes and models: oscillation mode of operation and external
L
influences oscillation frequency. When using a crystal that is manufactured for a
gives the crystal parameters that should be used. C
crystal model used for C
Recommended values for C
components parameters): low frequency mode
Recommended values for C
components parameters): high frequency mode
OSC
OSC
All information provided in this document is subject to legal disclaimers.
RTCX1
C X1
LPC2xxx
32 kHz XTAL
Rev. 4 — 10 February 2011
Crystal load
capacitance C
10 pF
20 pF
30 pF
10 pF
20 pF
10 pF
Crystal load
capacitance C
10 pF
20 pF
10 pF
20 pF
RTCX2
C X2
X1
/C
X2
X1
X1
/C
/C
evaluation
L
L
X2
X2
in oscillation mode (crystal and external
in oscillation mode (crystal and external
Maximum crystal
series resistance R
< 300 Ω
< 200 Ω
< 100 Ω
< 160 Ω
< 60 Ω
< 80 Ω
Maximum crystal
series resistance R
< 180 Ω
< 100 Ω
< 160 Ω
< 80 Ω
Figure
X1
=
24. Since the feedback resistance is
and C
Single-chip 16-bit/32-bit MCU
L
X2
is the typical load
S
S
need to be connected
L
C L
R S
External load
capacitors C
18 pF, 18 pF
39 pF, 39 pF
57 pF, 57 pF
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
External load
capacitors C
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
39 pF, 39 pF
002aaf495
LPC2387
© NXP B.V. 2011. All rights reserved.
C P
Table 16
X1
X1
/C
,
55 of 64
CX2
X2