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IDT72V70200BC Datasheet(PDF) 8 Page - Integrated Device Technology |
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IDT72V70200BC Datasheet(HTML) 8 Page - Integrated Device Technology |
8 / 24 page 8 COMMERCIALTEMPERATURERANGE IDT72V70200 3.3V TIME SLOT INTERCHANGE DIGITAL SWITCH 512 x 512 Connection Memory Data Memory 1 0 Control Register CRb7 5711 drw06 10000000 The Control Register is only accessed when A7-A0 are all zeroed. When A7 =1, up to 32 bytes are randomly accessable via A0-A4 at any one instant. Of which stream these bytes (channels) are accessed is determined by the state of CRb3 -CRb0. CRb6CRb5CRb4CRb2CRb1CRb0 CRb4 000 0 001 1 010 2 011 3 100 4 101 5 110 6 111 7 Stream CRb2CRb1CRb0 0 0 0 0 0 0 0 0 CRb3 CRb3 8 9 10 11 12 13 14 15 000 001 010 011 100 101 110 111 1 1 1 1 1 1 1 1 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 31 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 Channel 0 Channel 1 Channel 2 10000001 10000010 10011111 External Address Bits A7-A0 Figure 3. Addressing Internal Memories |
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