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| CY7C1380C | |||
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| CY7C1382C | |||
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| Name | TQFP |
| BGA | fBGA | I/O | Description | |||||||||||
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| A0, A1 , A | 37,36,32, |
| P4,N4, | R6,P6,A2, | Input- | Address Inputs used to select one of the | |||||||||||
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| 33,34,35, |
| A2,B2, | A10,B2, | Synchronous | 256K address locations. Sampled at the rising | |||
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| 42,43,44,45, |
| C2,R2, | B10,N6,P3,P4, |
| edge of the CLK if ADSP or ADSC is active | |||
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| 46,47,48, |
| A3,B3,C3, | P8,P9,P10, |
| LOW, and CE1, CE2, and CE3 [2]are sampled | |||
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| 49,50,81, |
| T3,T4,A5,B5, | P11,R3,R4,R8, |
| active. A1: A0 are fed to the | |||
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| 82,99,100 |
| C5, | R9,R10,R11 |
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| T5,A6,B6,C6, |
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| R6 |
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| A, |
| B | 93,94,95, |
| L5,G5, | B5,A5,A4, | Input- | Byte Write Select Inputs, active LOW. | |||||||
| BW | BW | ||||||||||||||||
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| 96 |
| G3,L3 | B4 | Synchronous | Qualified with BWE to conduct byte writes to the | |||
| BWC,BWD | |||||||||||||||||
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| SRAM. Sampled on the rising edge of CLK. | ||||||||||||
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| 88 |
| H4 | B7 | Input- | Global Write Enable Input, active LOW. | ||||||
| GW | |||||||||||||||||
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| Synchronous | When asserted LOW on the rising edge of CLK, | |||
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| a global write is conducted (ALL bytes are | |||
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| written, regardless of the values on BWX and | |||
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| BWE). | |||
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| 87 |
| M4 | A7 | Input- | Byte Write Enable Input, active LOW. Sam- | ||||||
| BWE | |||||||||||||||||
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| Synchronous | pled on the rising edge of CLK. This signal must | |||
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| be asserted LOW to conduct a byte write. | |||
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| CLK | 89 |
| K4 | B6 | Input- | Clock Input. Used to capture all synchronous | |||||||||||
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| Clock | inputs to the device. Also used to increment the | |||
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| burst counter when ADV is asserted LOW, | |||
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| during a burst operation. | |||
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| 98 |
| E4 | A3 | Input- | Chip Enable 1 Input, active LOW. Sampled on | |||
| CE1 | |||||||||||||||||
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| Synchronous | the rising edge of CLK. Used in conjunction with | ||||||||||||
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| CE2 and CE3 to select/deselect the device. | |||
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| ADSP is ignored if CE1 is HIGH. | |||
| CE2[2] | 97 |
| - | B3 | Input- | Chip Enable 2 Input, active HIGH. Sampled | |||||||||||
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| Synchronous | on the rising edge of CLK. Used in conjunction | |||
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| with CE1 and CE3 to select/deselect the device. | |||
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| 3[2] | 92 |
| - | A6 | Input- | Chip Enable 3 Input, active LOW. Sampled on | ||||||||||
| CE | |||||||||||||||||
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| Synchronous | the rising edge of CLK. Used in conjunction with | |||
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| CE1 and CE2 to select/deselect the device.Not | |||
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| available for AJ package version.Not | |||
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| connected for BGA. Where referenced, | CE | 3 is | |
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| assumed active throughout this document for | |||
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| BGA. | |||
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| 86 |
| F4 | B8 | Input- | Output Enable, asynchronous input, active | |||
| OE | |||||||||||||||||
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| Asynchronous | LOW. Controls the direction of the I/O pins. | ||||||||||||
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| When LOW, the I/O pins behave as outputs. | |||
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| When deasserted HIGH, I/O pins are | |||
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| and act as input data pins. OE is masked during | |||
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| the first clock of a read cycle when emerging | |||
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| from a deselected state. | |||
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| 83 |
| G4 | A9 | Input- | Advance Input signal, sampled on the rising | |||||||
| ADV | |||||||||||||||||
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| Synchronous | edge of CLK, active LOW. When asserted, it | |||
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| automatically increments the address in a burst | |||
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| cycle. | |||
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Document #: | Page 6 of 36 |
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