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FIN324C Folha de dados(PDF) 6 Page - Fairchild Semiconductor |
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FIN324C Folha de dados(HTML) 6 Page - Fairchild Semiconductor |
6 / 19 page © 2006 Fairchild Semiconductor Corporation www.fairchildsemi.com FIN324C Rev. 1.1.2 6 CMOS I/O Signals System Control Signals The system control signals consist of M/S, /RES, /STBY(SLEW), PAR/SPI, and CKSEL. For connectivity flexibility, these signals are over-voltage tolerant to the maximum supply voltage connected to the device. This allows these signals to be tied HIGH to either a VDDS or VDDP supply without static current consumption. These signals are all CMOS inputs and should never be allowed to float. Parallel I/O Signals The parallel data port signals consist of the DP[17:0], CNTL[5:0], R/W, and STRB1(0)(WCLK1(0)) signals. These signals have built-in voltage translation, allowing the signals of the master and slave to be connected to different VDDP supply voltages. Serial I/O Signals CTL I/O Technology The serial I/O is implemented using Fairchild’s proprietary differential CTL I/O technology. During data transfers, the serial I/O are powered up to a normal operating mode around .5V. Upon completion of a data transfer, the serial I/O goes to a lower power mode around VDDS. Serial I/O Orientation Logic The serial I/O signal traces should not cross between the master and the slave. The pin locations have been designed to eliminate the need to cross traces. See Table 7, Figure 4 and Figure 5. Table 7. Serial Pin Orientation Master (M/S=1) (Pad/Pin #) Slave (M/S=0) (Pad/Pin #) Package CKS+ CKS- DS- DS+ CKS+ CKS- DS- DS+ MLP 2 3 6 7 7 6 3 2 BGA D1 E1 F1 G1 G1 F1 E1 D1 BGA Slave A B C D E F G 1 2 3 456 <DS+> <DS-> <CKS-> <CKS+> BGA Master G F E D C B A DS- CKS- CKS+ 65 4 3 2 1 DS+ 21 22 23 24 25 26 27 28 29 30 10 9 8 7 6 5 4 3 2 1 2 1 2 3 4 5 6 7 8 9 10 30 29 28 27 26 25 24 23 22 21 MLP Master M/S PAR/SPI /RES DS+ DS- VDDA VDDS CKS- CKS+ CKSEL(H) MLP Slave CKSEL(H) (DS+) (DS-) VDDS VDDA (CKS-) (CKS+) /RES PAR/SPI M/S Figure 4. BGA Pair Figure 5. MLP Pair |
Nº de peça semelhante - FIN324C_08 |
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Descrição semelhante - FIN324C_08 |
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