LPC1788FBD144,551 NXP Semiconductors, LPC1788FBD144,551 Datasheet - Page 87

• Manufacturer Part Number: LPC1788FBD144,551
• Description: 8-bit Microcontrollers - MCU CORTEX-M3 512KB FL 96KB SRAM 4KB EE USB
• Manufacturer: NXP Semiconductors

Specifications of LPC1788FBD144,551

• Rohs: yes
• Factory Pack Quantity: 60

NXP Semiconductors
LPC178X_7X
Product data sheet
11.3 External clock
11.4 Internal oscillators
11.5 I/O pins
Table 21.
T
Table 22.
T
[1]
[2]
Table 23.
C
[1]
Symbol
f
Symbol
t
t
f
Symbol
f
T
t
t
t
t
osc(RC)
i(RTC)
r
f
osc
CHCX
CLCX
CLCH
CHCL
amb
amb
Fig 20. External clock timing (with an amplitude of at least V
L
cy(clk)
= 10 pF, T
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.
Applies to standard port pins and RESET pin. For details, see the LPC178x/7x IBIS model available on the
NXP website.
=
=


40
40


Dynamic characteristic: external clock (see
Dynamic characteristic: internal oscillators
Dynamic characteristic: I/O pins
C to +85
C to +85
amb
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
Parameter
rise time
fall time
=
All information provided in this document is subject to legal disclaimers.

40


C; V
C; 2.7 V
Rev. 4.1 — 15 November 2012

C to +85
DD(3V3)

Conditions
pin configured as
output
pin configured as
output
V

over specified ranges.
C; V
DD(REG)(3V3)
t
CHCL
DD(3V3)
Conditions
Conditions
-
-
= 3.0 V to 3.6 V.
[1]

t
CLCX
3.6 V.
32-bit ARM Cortex-M3 microcontroller
[1]
T
cy(clk)
Min
3.0
2.5
Figure
1
40
Min
11.88
-
Min
T
T
-
-
t
CLCH
t
cy(clk)
cy(clk)
CHCX
36)
i(RMS)
 0.4
 0.4
LPC178x/7x
= 200 mV)
Typ
-
-
Typ
12
83.3
-
-
-
-
Typ
12
32.768 -
002aaa907
© NXP B.V. 2012. All rights reserved.
[2]
Max
5.0
5.0
Max
25
1000
-
-
5
5
Max
12.12
87 of 120
Unit
ns
ns
MHz
Unit
ns
ns
ns
ns
ns
Unit
MHz
kHz