LPC2131 Philips Semiconductors (Acquired by NXP), LPC2131 Datasheet - Page 30

• Manufacturer Part Number: LPC2131
• Manufacturer: Philips Semiconductors (Acquired by NXP)

Philips Semiconductors
9. Dynamic characteristics
Table 12:
T
[1]
[2]
9397 750 14008
Preliminary data sheet
Symbol
External clock
f
T
t
t
t
t
Port pins (except P0.2 and P0.3)
t
t
I
t
osc
CHCX
CLCX
CLCH
CHCL
r(O)
f(O)
2
of
a
clk
C-bus pins (P0.2 and P0.3)
= 0 C to 70 C for commercial, 40 C to +85 C for industrial, V
Parameters are valid over operating temperature range unless otherwise specified.
Bus capacitance C
AC characteristics
Parameter
oscillator frequency
oscillator clock period
clock HIGH time
clock LOW time
clock rise time
clock fall time
output rise time
output fall time
output fall time
b
in pF, from 10 pF to 400 pF.
Rev. 01 — 18 November 2004
Conditions
V
IH
to V
IL
DD
over specified ranges
LPC2131/2132/2138
Single-chip 16/32-bit microcontrollers
Min
10
40
T
T
-
-
-
-
20 + 0.1
C
clk
clk
b
[2]
0.4
0.4
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
Typ
-
-
-
-
-
-
10
10
-
[1]
Max
25
100
-
-
5
5
-
-
-
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
30 of 36