參數(shù)資料
型號(hào): ST52X420
廠商: 意法半導(dǎo)體
元件分類(lèi): ADC
英文描述: 8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Three Timer/PWMs, ADC, WDG
中文描述: 8位智能控制器病房(ICU)3個(gè)定時(shí)器/的PWM,ADC的,水分散粒劑
文件頁(yè)數(shù): 71/84頁(yè)
文件大?。?/td> 1274K
代理商: ST52X420
ST52T410/ST52T420/E420
71/84
11.5 Clock and Timing Characteristics
Operating Conditions: V
DD
=5V
±
5%, TA=-25/85
°
C, unless otherwise specified
Figure 11.7 I/O Rise and Fall Timing
Table 11.8 General Timing Parameters
Symbol
Parameters
Test Condition
Min
Typ.
Max
Unit
f
osc
Oscillator Frequency
1
20
MH
t
CLH
Clock High
25
500
nS
t
CLL
Clock Low
25
500
t
SET
Setup
See Figure 11.6
5
t
HLD
Hold
See Figure 11.6
5
t
WRESET
Minimum Reset Pulse Width
f
osc
=20MHz
100
t
WINT
Minimum External Interrupt
Pulse Width
f
osc
=20MHz
100
t
IR
Input Rise Time
See Figure 11.7
15
t
IF
Input Fall Time
See Figure 11.7
15
t
OR
Output Rise Time
C
LOAD
=10pF
10
t
OF
Output Fall
C
LOAD
=10pF
10
Figure 11.6 Data Input Timing
t
CLL
t
CLH
50%
50%
50%
t
SET
t
HLD
Clock
Data
CP
t
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