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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TDA7503 데이터시트(PDF) 4 Page - STMicroelectronics |
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TDA7503 데이터시트(HTML) 4 Page - STMicroelectronics |
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4 / 26 page  N. Name Type Reset Status (1) Function 42 SRA_D5/DRA1 I/O O, High DSP SRAM Multiplexed Address/Data Line 5/DSP DRAM Address Line 1. When in SRAM Mode these pins act as the EMI multiplexed address and data line 5. When in DRAM Mode they act as the EMI address line 1. 41 SRA_D6/DRA2 I/O O, High DSP SRAM Multiplexed Address/Data Line 6/DSP DRAM Address Line 2. When in SRAM Mode these pins act as the EMI multiplexed address and data line 6. When in DRAM Mode they act as the EMI address line 2. 40 SRA_D7/DRA3 I/O O, High DSP SRAM Multiplexed Address/Data Line 7/DSP DRAM Address Line 3. When in SRAM Mode these pins act as the EMI multiplexed address and data line 7. When in DRAM Mode they act as the EMI address line 3. 56 SRA8/DRA4 O High DSP SRAM Address Line 8/DSP DRAM Address Line 4. When in SRAM Mode these pins act as the EMI address line 8. When in DRAM Mode they act as the EMI address line 4. 59 SRA9/DRA5 O High DSP SRAM Address Line 9/DSP DRAM Address Line 5. When in SRAM Mode these pins act as the EMI address line 9. When in DRAM Mode they act as the EMI address line 5. 62 SRA10/DRA6 O High DSP SRAM Address Line 10/DSP DRAM Address Line 6. When in SRAM Mode these pins act as the EMI address line 10.When in DRAM Mode they act as the EMI address line 6. 60 SRA11/DRA7 O High DSP SRAM Address Line 11/DSP DRAM Address Line 7. When in SRAM Mode these pins act as the EMI address line 11. When in DRAM Mode they act as the EMI address line 7. 50 SRA12/DRA8 O High DSP SRAM Address Line 12/DSP DRAM Address Line 8. When in SRAM Mode these pins act as the EMI address line 12. When in DRAM Mode they act as the EMI address line 8. 55 SRA13/RAS O High DSP SRAM Address Line 13/DRAM Row Address Strobe. When in SRAM Mode this pin acts as the EMI address lines 13. When in DRAM Mode this pin acts as the row address strobe. 51 ALE/CAS O High DSP SRAM Address latch enable/colomn Address. When in SRAM Mode this pin acts as the EMI Address Latch Enable. When in DRAM Mode this pin acts as the column address strobe. 52 DWR O High DSP SRAM Write Enable/DRAM Write Enable. This pin serves as the write enable for the EMI when in DRAM and SRAM Modes. 61 DRD O High DSP SRAM Read Enable/DRAM Read Enable. This pin serves as the read enable for the EMI when in DRAM and SRAM Modes. 36 DBCK/OS1 I/O I Debug Port Bit Clock/Chip Status 1. The serial clock for the Debug Port is provided when an input. When an output, together with OS0 provides information about the chip status. Can also be used as GPIO for the 8051. 37 DBIN/OS0 I/O I Debug Port Serial Input/Chip Status 0. The serial data input for the Debug Port is provided when an input. When an output, together with OS1 provides information about the chip status. Can also be used as GPIO for the 8051. 35 DBOUT I/O I Debug Port Serial Output. The serial data output for the Debug Port. Can also be used as a GPIO for the 8051. 38 DBRQN I – Debug Port Request Input. Means of entering the Debug mode of operation. 39 DBSEL I – Debug Port MUX Selection. Selects either DSP0 or DSP1 to be connected to the Debug Port pins. 67 RA8(P2.0) I/O I Microcontroller High Byte Address Lines. This pin is the address line 8 of a 16 bit address, for external EPROM and memory mapped devices. It can also act as GPIO using the P2 and P2DIR registers. 68 RA9(P2.1) I/O I Microcontroller High Byte Address Lines. This pin is the address line 9 of a 16 bit address, for external EPROM and memory mapped devices. It can also act as GPIO using the P2 and P2DIR registers. PIN DESCRIPTION (continued) TDA7503 4/26 |
유사한 부품 번호 - TDA7503 |
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유사한 설명 - TDA7503 |
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