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FIN24ACGFX Scheda tecnica(PDF) 3 Page - Fairchild Semiconductor |
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FIN24ACGFX Scheda tecnica(HTML) 3 Page - Fairchild Semiconductor |
3 / 21 page 3 www.fairchildsemi.com Terminal Description Note 1: The DSO/DSI serial port pins have been arranged such that when one device is rotated 180 degrees with respect to the other device the serial connections will properly align without the need for any traces or cable signals to cross. Other layout orientations may require that traces or cables cross. PBGA Terminal Assignments Terminal Name I/O Type Number of Terminals Description of Signals DP[1:20] I/O 20 LVCMOS Parallel I/O. Direction controlled by DIRI pin DP[21:22] I 2 LVCMOS Parallel Unidirectional Inputs DP[23:24] O 2 LVCMOS Unidirectional Parallel Outputs CKREF IN 1 LVCMOS Clock Input and PLL Reference STROBE IN 1 LVCMOS Strobe Signal for Latching Data into the Serializer CKP OUT 1 LVCMOS Word Clock Output DSO / DSI DSO / DSI DIFF-I/O 2 CTL Differential Serial I/O Data Signals (Note 1) DSO: Refers to output signal pair DSI: Refers to input signal pair DSO(I) : Positive signal of DSO(I) pair DSO(I) : Negative signal of DSO(I) pair CKSI , CKSI DIFF-IN 2 CTL Differential Deserializer Input Bit Clock CKSI: Refers to signal pair CKSI : Positive signal of CKSI pair CKSI : Negative signal of CKSI pair CKSO , CKSO DIFF-OUT 2 CTL Differential Serializer Output Bit Clock CKSO: Refers to signal pair CKSO : Positive signal of CKSO pair CKSO : Negative signal of CKSO pair S1 IN 1 LVCMOS Mode Selection terminals used to select S2 IN 1 Frequency Range for the RefClock, CKREF DIRI IN 1 LVCMOS Control Input Used to control direction of Data Flow: DIRI = “1” Serializer, DIRI = “0” Deserializer DIRO OUT 1 LVCMOS Control Output Inversion of DIRI VDDP Supply 1 Power Supply for Parallel I/O and Translation Circuitry VDDS Supply 1 Power Supply for Core and Serial I/O VDDA Supply 1 Power Supply for Analog PLL Circuitry GND Supply 0 Use Bottom Ground Plane for Ground Signals 1 23456 A DP[9] DP[7] DP[5] DP[3] DP[1] CKREF B DP[11] DP[10] DP[6] DP[2] STROBE DIRO C CKP DP[12] DP[8] DP[4] CKSO CKSO D DP[13] DP[14] VDDP GND DSO / DSI DSO / DSI E DP[15] DP[16] GND VDDS CKSI CKSI F DP[17] DP[18] DP[21] VDDA S2 DIRI J DP[19] DP[20] DP[22] DP[23] DP[24] S1 |
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Descrizione simile - FIN24ACGFX |
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