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PSD913F2-A-20B81I Datasheet(PDF) 2 Page - STMicroelectronics |
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2 / 94 page i PSD9XX Family PSD913F2 PSD934F2 PSD954F2 Configurable Memory System on a Chip for 8-Bit Microcontrollers Table of Contents Introduction....................................................................................................................................................................1 In-System Programming (ISP) JTAG....................................................................................................................2 In-Application Programming (IAP) ........................................................................................................................2 Key Features .................................................................................................................................................................3 Block Diagram ...............................................................................................................................................................4 PSD9XX Family.............................................................................................................................................................5 Architectural Overview...................................................................................................................................................6 Memory .................................................................................................................................................................6 Page Register .......................................................................................................................................................6 PLDs .....................................................................................................................................................................6 I/O Ports................................................................................................................................................................7 Microcontroller Bus Interface ................................................................................................................................7 JTAG Port .............................................................................................................................................................7 In-System Programming .......................................................................................................................................8 Power Management Unit ......................................................................................................................................8 Development System ....................................................................................................................................................9 Pin Descriptions...........................................................................................................................................................10 Register Description and Address Offset ....................................................................................................................14 Functional Blocks ........................................................................................................................................................15 Memory Blocks ...................................................................................................................................................15 Main Flash and Secondary Flash Memory Description.................................................................................15 SRAM............................................................................................................................................................27 Memory Chip Selects ....................................................................................................................................27 Page Register ...............................................................................................................................................30 PLDs ...................................................................................................................................................................31 Decode PLD (DPLD).....................................................................................................................................33 General Purpose PLD (GPLD)......................................................................................................................33 Microcontroller Bus Interface ..............................................................................................................................35 Interface to a Multiplexed 8-bit Bus...............................................................................................................35 Interface to a Non-multiplexed 8-bit Bus .......................................................................................................35 Microcontroller Interface Examples...............................................................................................................37 I/O Ports..............................................................................................................................................................42 General Port Architecture..............................................................................................................................42 Port Operating Modes ...................................................................................................................................44 Port Configuration Registers (PCRs) ............................................................................................................47 Port Data Registers.......................................................................................................................................49 Ports A and B – Functionality and Structure .................................................................................................49 Port C – Functionality and Structure .............................................................................................................51 Port D – Functionality and Structure .............................................................................................................51 For additional information, Call 800-832-6974 Fax: 510-657-8495 Web Site: http://www.psdst.com E-mail: ask.psd@st.com |
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