LPC2220 PHILIPS [NXP Semiconductors], LPC2220 Datasheet - Page 36

• Manufacturer Part Number: LPC2220
• Description: 16/32-bit ARM microcontrollers; flashless with 64 kB, with 10-bit ADC and external memory interface
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
9. Dynamic characteristics
Table 13:
T
specified ranges
[1]
[2]
Table 14:
C
9397 750 14061
Product data sheet
Symbol
External clock
f
T
t
t
t
t
Port pins (except P0.2 and P0.3)
t
t
I
t
Symbol
Common to Read and Write Cycles
t
t
t
t
Read cycle parameters
t
t
t
osc
CHCX
CLCX
CLCH
CHCL
r
f
2
f
CHAVR
CHCSL
CHCSH
CHANV
CSLAV
OELAVR
CSLOEL
amb
L
clk
C-bus pins (P0.2 and P0.3)
= 25 pF, T
Parameters are valid over operating temperature range unless otherwise specified.
Bus capacitance C
= 0 C to +70 C for commercial applications, 40 C to +85 C for industrial applications, V
Parameter
XCLK HIGH to address valid
XCLK HIGH to CS LOW
XCLK HIGH to CS HIGH
XCLK HIGH to address invalid
CS LOW to address valid
OE LOW to address valid
CS LOW to OE LOW
Dynamic characteristics
External memory interface dynamic characteristics
amb
[1]
= 40 C
Parameter
oscillator frequency supplied by an
external oscillator (signal generator)
external clock frequency supplied by
an external crystal oscillator
external clock frequency if on-chip
PLL is used
external clock frequency if on-chip
boot-loader is used for initial code
download
clock period
clock HIGH time
clock LOW time
clock rise time
clock fall time
rise time
fall time
fall time
b
in pF, from 10 pF to 400 pF.
Conditions
16/32-bit ARM microcontrollers with external memory interface
Rev. 02— 30 May 2005
Conditions
V
[1]
[1]
IH
to V
Min
-
-
-
-
5
5
5
IL
[2]
Min
1
1
10
10
20
T
T
-
-
-
-
20 + 0.1
clk
clk
0.4
0.4
Typ Max
-
-
-
-
-
-
-
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
LPC2210/2220
C
b
Typ
-
-
-
-
-
-
-
-
-
10
10
-
10
10
10
10
10
10
5
DD(1V8)
, V
DD(3V3)
Max
50
30
25
25
1000
-
-
5
5
-
-
-
over
Unit
MHz
MHz
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
36 of 49
Unit
ns
ns
ns
ns
ns
ns
ns