參數(shù)資料
型號(hào)： SM8521
廠商： Sharp Corporation
元件分類： DC/DC變換器
英文描述： 1 watt dc-dc converters
中文描述： 1瓦的DC - DC轉(zhuǎn)換器
文件頁(yè)數(shù)： 1/56頁(yè)
文件大小： 267K
代理商： SM8521
- 1 -
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
INSTRUCTION SET....................................................51
Definition of Symbols
Instruction Summary
Addressing Mode
SYSTEM CONFIGURATION EXAMPLE..................55
SM8521
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