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參數(shù)資料
| 型號(hào)： | ZL50119GAG |
| 廠商： | ZARLINK SEMICONDUCTOR INC |
| 元件分類： | 通信及網(wǎng)絡(luò) |
| 英文描述： | 32, 64 and 128 Channel CESoP Processors |
| 中文描述： | SPECIALTY TELECOM CIRCUIT, PBGA324 |
| 封裝： | 23 X 23 MM, 2.03 MM HEIGHT, 1 MM PITCH, PLASTIC, MS-034, BGA-324 |
| 文件頁數(shù)： | 90/95頁 |
| 文件大小： | 1157K |
| 代理商： | ZL50119GAG |
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ZL50115/16/17/18/19/20
Data Sheet
90
Zarlink Semiconductor Inc.
14.2 CPU TA Output
The CPU_TA output signal from the ZL5011x is a critical handshake signal to the CPU that ensures the correct
completion of a bus transaction between the two devices. As the signal is critical, it is recommend that the circuit
shown in Figure 47 is implemented in systems operating above 40 MHz bus frequency to ensure robust operation
under all conditions.
The following external logic is required to implement the circuit:
74LCX74 dual D-type flip-flop (one section of two)
74LCX08 quad AND gate (one section of four)
74LCX125 quad tri-state buffer (one section of four)
4K7 resistor x2
Figure 47 - CPU_TA Board Circuit
The function of the circuit is to extend the TA signal, to ensure the CPU correctly registers it. Resistor R2 must be
fitted to ensure correct operation of the TA input to the processor. It is recommended that the logic is fitted close to
the ZL5011x and that the clock to the 74LCX74 is derived from the same clock source as that input to the ZL5011x.
D
Q
CPU_CLK
to ZL5011x
CPU_TA
from ZL5011x
CPU_CS
to ZL5011x
+
3V3
+3V3
CPU_TA
to CPU
R1
4K7
R2
4K7
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| ZL50120GAG | 32, 64 and 128 Channel CESoP Processors |
| ZL50118GAG | Connector assemblies, Network cables; |
| ZL50117GAG | REFLECTIVE PHOTOSENSOR SMD RSS42 |
| ZL50115 | 32, 64 and 128 Channel CESoP Processors |
| ZL50116 | 32, 64 and 128 Channel CESoP Processors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ZL50119GAG2 | 制造商:Microsemi Corporation 功能描述:64 CHANNEL CESOP PROCESSOR 制造商:Microsemi Corporation 功能描述:CESOP PROCESSOR 324BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC CESOP PROCESSOR 64CH 324PBGA 制造商:Microsemi Corporation 功能描述:IC CESOP PROCESSOR 64CH 324PBGA |
| ZL50120 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:32, 64 and 128 Channel CESoP Processors |
| ZL50120GAG | 制造商:Microsemi Corporation 功能描述:CH CESOP PROCESSORS 324BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC CESOP PROCESSOR 128CH 324PBGA 制造商:Microsemi Corporation 功能描述:IC CESOP PROCESSOR 128CH 324PBGA |
| ZL50120GAG2 | 制造商:Microsemi Corporation 功能描述:CESOP PROCESSOR 324BGA - Trays 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC CESOP PROCESSOR 128CH 324PBGA 制造商:Microsemi Corporation 功能描述:IC CESOP PROCESSOR 128CH 324PBGA |
| ZL50130 | 制造商:ZARLINK 制造商全稱:Zarlink Semiconductor Inc 功能描述:Ethernet Pseudo-Wires across a PSN |
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