參數(shù)資料
型號： LPC2194
廠商： NXP Semiconductors N.V.
英文描述： Single-chip 16/32-bit microcontrollers 256 kB ISP/IAP Flash with 10-bit ADC and CAN
中文描述： 單片16/32位微控制器，256 KB的ISP / IAP閃存的10位ADC和CAN
文件頁數(shù)： 28/33頁
文件大小： 158K
代理商： LPC2194
Philips Semiconductors
LPC2194
Single-chip 16/32-bit microcontrollers
Preliminary data
Rev. 01 — 06 February 2004
28 of 33
9397 750 12757
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
9.
Dynamic characteristics
[1]
[2]
Parameters are valid over operating temperature range unless otherwise specified.
Bus capacitance C
b
in pF, from 10 pF to 400 pF.
Table 12:
T
amb
= 0
°
C to
+
70
°
C for commercial,
40
°
C to +85
°
C for industrial, V
18
, V
3
over specified ranges
[1]
Symbol
Parameter
External Clock
f
osc
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 ISP is
used for initial code download
t
C
Oscillator clock period
t
CHCX
Clock high time
t
CLCX
Clock low time
t
CLCH
Clock rise time
t
CHCL
Clock fall time
Port Pins
t
RISE
Port output rise time (except P0.2,
P0.3)
t
FALL
Port output fall time (except P0.2,
P0.3)
I
2
C pins
t
f
Output fall time from V
IH
to V
IL
Characteristics
Conditions
Min
Typ
[1]
Max
Unit
1
-
50
MHz
1
-
30
MHz
10
-
25
MHz
10
-
25
MHz
20
t
c
×
0.4
t
c
×
0.4
-
-
-
-
-
-
-
1000
-
-
5
5
ns
ns
ns
ns
ns
-
10
-
ns
-
10
-
ns
20 +
0.1
×
C
b
[2]
-
-
ns
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