參數(shù)資料
型號: MC68HC16S2CPU20
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, 20.97 MHz, MICROCONTROLLER, PQFP100
封裝: TQFP-100
文件頁數(shù): 82/104頁
文件大?。?/td> 640K
代理商: MC68HC16S2CPU20
MC68HC16S2
MOTOROLA
MC68HC16S2TS/D
79
NOTES:
1. Refer to notes in Table 42.
Table 43 25.17 MHz Clock Control Timing
(V
DD
and V
DDSYN
= 5.0 Vdc, V
SS
= 0 Vdc, T
A
= T
L
to T
H
)
Num
Characteristic
Symbol
Min
Max
Unit
1
PLL Reference Frequency Range1
f
ref
20
50
kHz
2
System Frequency2
On-Chip PLL System Frequency Range
External Clock Operation
f
sys
dc
4fref
dc
25.17
MHz
3
PLL Lock Time1, 3, 4, 5, 6
t
lpll
20
ms
4
VCO Frequency7
fVCO
2 (fsys max)
MHz
5
Limp Mode Clock Frequency
SYNCR X bit = 0
SYNCR X bit = 1
f
limp
(f
sys
max)/2
f
sys
max
MHz
6
CLKOUT Jitter1, 4, 5, 6, 8
Short term (5
s interval)
Long term (500
s interval)
J
clk
– 1.5
– 0.5
1.0
0.5
%
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