LPC1786FBD208,551 NXP Semiconductors, LPC1786FBD208,551 Datasheet - Page 86

• Manufacturer Part Number: LPC1786FBD208,551
• Description: Processors - Application Specialized CORTEX-M3 256KB FL 80KB SRAM 4KB EE USB
• Manufacturer: NXP Semiconductors
• Series: LPC17xxr

Specifications of LPC1786FBD208,551

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 120MHz
• Connectivity: CAN, EBI/EMI, Ethernet, I²C, Microwire, MMC, SPI, SSI, SSP, UART/USART, USB OTG
• Peripherals: Brown-out Detect/Reset, DMA, I²S, LCD, Motor Control PWM, POR, PWM, WDT
• Number Of I /o: 165
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 80K x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 3.6 V
• Data Converters: A/D 8x12b, D/A 1x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 208-LQFP
• Lead Free Status / Rohs Status: Details
• Other names: 935291855551

NXP Semiconductors
LPC178X_7X
Objective data sheet
11.3 External clock
11.4 Internal oscillators
Table 19.
T
[1]
[2]
Table 20.
T
[1]
[2]
Symbol
f
f
Symbol
f
T
t
t
t
t
osc(RC)
i(RTC)
osc
CHCX
CLCX
CLCH
CHCL
amb
amb
Fig 20. External clock timing (with an amplitude of at least V
cy(clk)
Parameters are valid over operating temperature range unless otherwise specified.
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
Parameters are valid over operating temperature range unless otherwise specified.
Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
=
=


40
40


Dynamic characteristic: external clock
Dynamic characteristic: internal oscillators
C to +85
C to +85
Parameter
internal RC oscillator
frequency
RTC input frequency
Parameter
oscillator frequency
clock cycle time
clock HIGH time
clock LOW time
clock rise time
clock fall time
All information provided in this document is subject to legal disclaimers.


C; V
C; 2.7 V
Rev. 2 — 27 May 2011
DD(3V3)

V
over specified ranges.
DD(3V3)
t
CHCL

3.6 V.
Conditions
-
-
Conditions
t
CLCX
[1]
32-bit ARM Cortex-M3 microcontroller
[1]
T
cy(clk)
Min
1
40
T
T
-
-
Min
11.88
-
t
CLCH
t
cy(clk)
cy(clk)
CHCX
i(RMS)
 0.4
 0.4
LPC178x/7x
= 200 mV)
-
Typ
12
32.768 -
Typ
-
-
-
-
-
002aaa907
© NXP B.V. 2011. All rights reserved.
[2]
[2]
Max
25
1000
-
-
5
5
Max
12.12
86 of 117
Unit
MHz
ns
ns
ns
ns
ns
Unit
MHz
kHz