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TMP88CM38F Datasheet(PDF) 7 Page - Toshiba Semiconductor |
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TMP88CM38F Datasheet(HTML) 7 Page - Toshiba Semiconductor |
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7 / 226 page  TMP88CS38/CM38A/CP38A 2007-09-12 88CS38-7 Operational Description 1. CPU Core Functions The CPU core consists of a CPU, a system clock controller, and an interrupt controller. This section provides a description of the CPU core, the program memory, the data memory, the external memory interface, and the reset circuit. 1.1 Memory Address Map The TMP88CS38/CM38A/CP38A memory consists of four blocks: ROM, RAM, SFR (Special function register), and DBR (Data buffer register). They are all mapped to a 1-Mbyte address space. Figure 1.1.1 shows the TMP88CS38/CM38A/CP38A memory address map. There are 16 banks of the general-purpose register. The register banks are also assigned to the RAM address space. Figure 1.1.1 Memory Address Map ROM: Read only memory includes Program memory, Character data memory for OSD RAM: Random access memory includes Data memory, Stack, General-purpose register banks SFR: Special function register includes I/O ports, Peripheral hardware control registers, Peripheral hardware status registers, System control registers, Interrupt control registers, Program status word DBR: Data buffer register includes Control resister for on-screen display (OSD) Remote-control-receive control/status resigsters, ROM correction control registers Test video signal control registers General-purpose register banks (8 registers × 16 banks) 32512 bytes program area 128 bytes 64 bytes 128 bytes 64 bytes 2048 bytes 128 bytes 64 bytes 128 bytes 64 bytes 128 bytes 65280 bytes program area 64 bytes TMP88CS38 00000H 0003FH 00040H 000BFH 000C0H 008BFH 00F80H 00FFFH 04000H 13EFFH FFF00H FFF3FH FFF40H FFF7FH FFF80H FFFFFH Vector table for interrupts Vector table for vector call instruction Vector table for interrupts RAM SFR DBR ROM 128 bytes 1536 bytes 64 bytes 64 bytes 128 bytes TMP88CM38A 128 bytes 128 bytes 1536 bytes 48896 bytes program area 64 bytes 64 bytes TMP88CP38A 006BFH 00F80H 00FFFH 04000H 0FEFFH 0BEFFH 00000H 0003FH 00040H 000BFH 000C0H FFF00H FFF3FH FFF40H FFF7FH FFF80H FFFFFH 006BFH 00F80H 00000H 0003FH 00040H 000BFH 000C0H 00FFFH 04000H FFF00H FFF3FH FFF7FH FFF80H FFFFFH FFF40H 24576 bytes OSD font area 24576 bytes OSD font area 24576 bytes OSD font area 25FFFH 25FFFH 25FFFH 20000H 20000H 20000H |
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