SM8521 Ver la hoja de datos (PDF) - Sharp Electronics
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SM8521 Datasheet PDF : 56 Pages
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SM8521 CONTENTS
DESCRIPTION .............................................................. 2
FEATURES .................................................................... 2
PIN CONNECTIONS ..................................................... 3
BLOCK DIAGRAM ....................................................... 4
PIN DESCRIPTION ....................................................... 5
ABSOLUTE MAXIMUM RATINGS ............................. 6
RECOMMENDED OPERATING CONDITIONS ............. 6
DC CHARACTERISTICS ............................................. 7
SM85CPU ...................................................................... 8
Register Lineup
Address Space
ROM Area
Register File Area
RAM Area
Data Format
Bus Timing
SYSTEM CONTROL .................................................. 18
Oscillator Circuit
Clock System
Memory Map
Hardware Reset
Interrupt Function
Standby Function
I/O PORTS ................................................................... 29
TIMER/COUNTERS .................................................... 30
Clock Timer
Watchdog Timer Register (WDT)
LCDC/DMA .................................................................. 33
VRAM Configuration
DMA Transfer
Compound and Overwrite Mode
Registers
SOUND GENERATOR ............................................... 41
Sound Waveform Register
Registers
MMU ............................................................................. 45
UNIVERSAL ASYNCHRONOUS RECEIVER AND
TRANSMITTER (UART) INTERFACE ......................... 47
UART Transmit Data Register (URTT)
UART Receive Data Register (URTR)
UART Status Register (URTS)
UART Control Register (URTC)
Transfer Format
SM8521
INSTRUCTION SET .................................................... 51
Definition of Symbols
Instruction Summary
Addressing Mode
SYSTEM CONFIGURATION EXAMPLE .................. 55
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