LPC2138 Philips Semiconductors, LPC2138 Datasheet - Page 34

• Manufacturer Part Number: LPC2138
• Description: (LPC2131 - LPC2138) Single-chip 16/32-bit microcontrollers 32/64/512 kB ISP/IAP Flash with 10-bit ADC and DAC
• Manufacturer: Philips Semiconductors

Philips Semiconductors
9. Dynamic characteristics
Table 12:
T
[1]
[2]
9397 750 14868
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 applications, 40 C to +85 C for industrial applications, 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. 02 — 15 April 2005
LPC2131/2132/2134/2136/2138
Conditions
V
IH
to V
IL
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. 2005. All rights reserved.
DD
Typ
-
-
-
-
-
-
10
10
-
over specified ranges
[1]
Max
25
100
-
-
5
5
-
-
-
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
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[1]