參數(shù)資料
型號: SAF-XC2387-72F66L
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 66 MHz, RISC MICROCONTROLLER, PQFP144
封裝: GREEN, PLASTIC, LQFP-144
文件頁數(shù): 4/120頁
文件大?。?/td> 1432K
代理商: SAF-XC2387-72F66L
XC2387
XC2000 Family Derivatives
Electrical Parameters
Data Sheet
99
V2.1, 2008-08
4.6.4
External Bus Timing
The following parameters specify the behavior of the XC2387 bus interface.
Figure 21
CLKOUT Signal Timing
Note: The term CLKOUT refers to the reference clock output signal which is generated
by selecting
f
SYS as the source signal for the clock output signal EXTCLK on pin
P2.8 and by enabling the high-speed clock driver on this pin.
Table 27
CLKOUT Reference Signal
Parameter
Symbol
Limits
Unit Note / Test
Condition
Min.
Max.
CLKOUT cycle time
t
5
CC
40/25/12.51)
1) The CLKOUT cycle time is influenced by the PLL jitter (given values apply to
fSYS = 25/40/80 MHz).
For longer periods the relative deviation decreases (see PLL deviation formula).
ns
CLKOUT high time
t
6
CC 3–ns
CLKOUT low time
t
7
CC 3–ns
CLKOUT rise time
t
8
CC –3ns
CLKOUT fall time
t
9
CC –3ns
MC_X_EBCCLKOUT
CLKOUT
t5
t6
t7
t8
t9
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