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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉(h脿o)锛� MC68LC040RC25A
寤犲晢锛� Freescale Semiconductor
鏂囦欢闋�(y猫)鏁�(sh霉)锛� 300/442闋�(y猫)
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC MPU 32BIT 25MHZ 179-PGA
妯�(bi膩o)婧�(zh菙n)鍖呰锛� 10
绯诲垪锛� M680x0
铏曠悊鍣ㄩ鍨嬶細 M680x0 32-浣�
閫熷害锛� 25MHz
闆诲锛� 5V
瀹夎椤炲瀷锛� 閫氬瓟
灏佽/澶栨锛� 179-BPGA
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 179-PGA锛�47.24x47.24锛�
鍖呰锛� 鎵樼洡
鐢�(ch菐n)鍝佺洰閷勯爜(y猫)闈細 733 (CN2011-ZH PDF)
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MOTOROLA
M68040 USER鈥橲 MANUAL
A-9
MC68LC040 REV2.3 (01/29/2000)
A.6.5 Clock AC Timing Specifications (see Figure A-4)
*Specication value at maximum frequency of operation.
20 MHz
25 MHz
33 MHz
40 MHz
Unit
Num
Characteristic
Min
Max
Min
Max
Min
Max
Min
Max
Frequency of Operation
16.67
20
16.67
25
16.67
33
20
40
MHz
1
PCLK Cycle Time
25
30
20
30
15
30
12.5
25
nS
2
PCLK Rise Time
鈥�
1.7
鈥�
1.7
鈥�
1.7
鈥�
1.5
nS
3
PCLK Fall Time
鈥�
1.6
鈥�
1.6
鈥�
1.6
鈥�
1.5
nS
4
PCLK Duty Cycle Measured at
1.5 V
48
52
47.5
52.5
46.67
53.33
46.00
54.00
%
4a*
PCLK Pulse Width High
Measured at 1.5 V
12
13
9.5
10.5
7
8
5.75
6.75
nS
4b*
PCLK Pulse Width Low
Measured at 1.5 V
12
13
9.5
10.5
7
8
5.75
6.75
nS
5
BCLK Cycle Time
50
60
40
60
30
60
25
50
nS
6, 7
BCLK Rise and Fall Time
鈥�4鈥�4鈥�3鈥�3
nS
8
BCLK Duty Cycle Measured at
1.5 V
40
60
40
60
40
60
40
60
%
8a*
BCLK Pulse Width High
Measured at 1.5 V
20
30
16
24
12
18
10
15
nS
8b*
BCLK Pulse Width Low
Measured at 1.5 V
20
30
16
24
12
18
10
15
nS
9
PCLK, BCLK Frequency Stability
鈥�
1000
鈥�
1000
鈥�
1000
鈥�
1000
ppm
10
PCLK to BCLK Skew
鈥�9鈥�9鈥�
N/A
鈥�
N/A
nS
Figure A-4. Clock Input Timing Diagram
1
4A
4B
2
3
7
6
VIH
VIL
VM
8B
8A
10
PCLK
BCLK
5
VIH
F
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e
sc
a
le
S
e
m
ic
o
n
d
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c
to
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I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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鍙冩暩(sh霉)鎻忚堪
MC68LC040RC33A 鍔熻兘鎻忚堪:寰檿鐞嗗櫒 - MPU 32B W/ CACHE MMU RoHS:鍚� 鍒堕€犲晢:Atmel 铏曠悊鍣ㄧ郴鍒�:SAMA5D31 鏍稿績:ARM Cortex A5 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:536 MHz 绋嬪簭瀛樺劜(ch菙)鍣ㄥぇ灏�:32 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:128 KB 鎺ュ彛椤炲瀷:CAN, Ethernet, LIN, SPI,TWI, UART, USB 宸ヤ綔闆绘簮闆诲:1.8 V to 3.3 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-324
MC68LC040RC40A 鍔熻兘鎻忚堪:寰檿鐞嗗櫒 - MPU 32B W/ CACHE MMU RoHS:鍚� 鍒堕€犲晢:Atmel 铏曠悊鍣ㄧ郴鍒�:SAMA5D31 鏍稿績:ARM Cortex A5 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:536 MHz 绋嬪簭瀛樺劜(ch菙)鍣ㄥぇ灏�:32 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:128 KB 鎺ュ彛椤炲瀷:CAN, Ethernet, LIN, SPI,TWI, UART, USB 宸ヤ綔闆绘簮闆诲:1.8 V to 3.3 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-324
MC68LC060BRC66 鍔熻兘鎻忚堪:寰檿鐞嗗櫒 - MPU 32B W/ CACHE MMU RoHS:鍚� 鍒堕€犲晢:Atmel 铏曠悊鍣ㄧ郴鍒�:SAMA5D31 鏍稿績:ARM Cortex A5 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:536 MHz 绋嬪簭瀛樺劜(ch菙)鍣ㄥぇ灏�:32 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:128 KB 鎺ュ彛椤炲瀷:CAN, Ethernet, LIN, SPI,TWI, UART, USB 宸ヤ綔闆绘簮闆诲:1.8 V to 3.3 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-324
MC68LC060RC50 鍔熻兘鎻忚堪:寰檿鐞嗗櫒 - MPU 32B W/ CACHE MMU RoHS:鍚� 鍒堕€犲晢:Atmel 铏曠悊鍣ㄧ郴鍒�:SAMA5D31 鏍稿績:ARM Cortex A5 鏁�(sh霉)鎿�(j霉)绺界窔瀵害:32 bit 鏈€澶ф檪(sh铆)閻橀牷鐜�:536 MHz 绋嬪簭瀛樺劜(ch菙)鍣ㄥぇ灏�:32 KB 鏁�(sh霉)鎿�(j霉) RAM 澶у皬:128 KB 鎺ュ彛椤炲瀷:CAN, Ethernet, LIN, SPI,TWI, UART, USB 宸ヤ綔闆绘簮闆诲:1.8 V to 3.3 V 鏈€澶у伐浣滄韩搴�:+ 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:FBGA-324
MC68LC060RC50 鍒堕€犲晢:Freescale Semiconductor 鍔熻兘鎻忚堪:Microprocessor