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TMP92CA25FG Datasheet(PDF) 9 Page - Toshiba Semiconductor |
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TMP92CA25FG Datasheet(HTML) 9 Page - Toshiba Semiconductor |
9 / 426 page TMP92CA25 2007-02-28 92CA25-7 2.3 Pin Names and Functions The following table shows the names and functions of the input/output pins Table 2.3.1 Pin Names and Functions (1/5) Pin Name Number of Pins I/O Function D0 to D7 8 I/O Data: Data bus 0 to 7 P10 to P17 D8 to D15 8 I/O I/O Port 1: I/O port input or output specifiable in units of bits Data: Data bus 8 to 15 A0 to A7 8 Output Address: Address bus 0 to 7 A8 to A15 8 Output Address: Address bus 8 to 15 P60 to P67 A16 to A23 8 I/O Output Port 6: I/O port input or output specifiable in units of bits Address: Address bus 16 to 23 P70 RD 1 Output Output Port70: Output port Read: Outputs strobe signal to read external memory P71 WRLL NDRE 1 I/O Output Output Port 71: I/O port Write: Output strobe signal for writing data on pins D0 to D7 NAND flash read: Outputs strobe signal to read external NAND flash P72 WRLU NDWE 1 I/O Output Output Port 72: I/O port Write: Output strobe signal for writing data on pins D8 to D15 Write Enable for NAND flash P73 EA24 1 Output Output Port 73: Output port Extended Address 24 P74 EA25 1 Output Output Port 74: Output port Extended Address 25 P75 W R/ NDR/ B 1 I/O Output Input Port 75: I/O port Read/Write: 1 represents read or dummy cycle; 0 represents write cycle NAND flash ready (1)/Busy (0) input P76 WAIT 1 I/O Input Port 76: I/O port Wait: Signal used to request CPU bus wait |
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