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W78E058D 데이터시트 PDF




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W78E058D 데이터시트, 핀배열, 회로
W78E516D/W78E058D Data Sheet
8-BIT MICROCONTROLLER
Table of Contents-
1 GENERAL DESCRIPTION ......................................................................................................... 4
2 FEATURES ................................................................................................................................. 5
3 PARTS INFORMATION LIST ..................................................................................................... 6
3.1 Lead Free (RoHS) Parts information list......................................................................... 6
4 PIN CONFIGURATIONS............................................................................................................. 7
5 PIN DESCRIPTIONS .................................................................................................................. 9
6 BLOCK DIAGRAM .................................................................................................................... 10
7 FUNCTIONAL DESCRIPTION.................................................................................................. 11
7.1 On-Chip Flash EPROM ................................................................................................ 11
7.2 I/O Ports........................................................................................................................ 11
7.3 Serial I/O ....................................................................................................................... 11
7.4 Timers ........................................................................................................................... 11
7.4.1 Clock ..............................................................................................................................12
7.5 Interrupts....................................................................................................................... 12
7.6 Data Pointers ................................................................................................................ 12
7.7 Architecture................................................................................................................... 12
7.7.1 ALU ................................................................................................................................12
7.7.2 Accumulator ...................................................................................................................12
7.7.3 B Register.......................................................................................................................12
7.7.4 Program Status Word .....................................................................................................12
7.7.5 Stack Pointer ..................................................................................................................13
7.7.6 Scratch-pad RAM ...........................................................................................................13
7.7.7 AUX-RAM.......................................................................................................................13
8 MEMORY ORGANIZATION...................................................................................................... 14
8.1 Program Memory (on-chip Flash) ................................................................................. 14
8.2 Scratch-pad RAM and Register Map ............................................................................ 14
8.2.1 Working Registers ..........................................................................................................16
8.2.2 Bit addressable Locations ..............................................................................................16
8.2.3 Stack ..............................................................................................................................16
8.2.4 AUX-RAM.......................................................................................................................16
9 SPECIAL FUNCTION REGISTERS ......................................................................................... 17
9.1 SFR Detail Bit Descriptions .......................................................................................... 19
10 INSTRUCTION.......................................................................................................................... 37
11 INSTRUCTION TIMING ............................................................................................................ 45
12 POWER MANAGEMENT.......................................................................................................... 46
12.1 Idle Mode ...................................................................................................................... 46
12.2 Power Down Mode ....................................................................................................... 46
13 RESET CONDITIONS............................................................................................................... 47
Publication Release Date: Feb 15, 2011
- 1 - Revision A09




W78E058D pdf, 반도체, 판매, 대치품
W78E516D/W78E058D Data Sheet
1 GENERAL DESCRIPTION
The W78E516D/W78E058D series is an 8-bit microcontroller which has an in-system programmable
Flash EPROM for on-chip firmware updating.
The instruction sets of the W78E516D/W78E058D are fully compatible with the standard 8052. The
W78E516D/W78E058D series contains a 64K/32K bytes of main Flash EPROM and a 4K bytes of
auxiliary Flash EPROM which allows the contents of the 64K/32K bytes main Flash EPROM to be up-
dated by the loader program located in the 4K bytes Flash EPROM; a 256 bytes of SRAM; 256 bytes
of AUXRAM; four 8-bit bi-directional and bit-addressable I/O ports; an additional 4-bit port P4; three
16-bit timer/counters; a serial port. These peripherals are supported by an 8 sources 2-level interrupt
capability. To facilitate programming and verification, the Flash EPROM inside the
W78E516D/W78E058D series allows the program memory to be programmed and read electronically.
Once the code is confirmed, the user can protect the code for security.
The W78E516D/W78E058D series microcontroller has two power reduction modes, idle mode and
power-down mode, both of which are software selectable. The idle mode turns off the processor clock
but allows for continued peripheral operation. The power-down mode stops the crystal oscillator for
minimum power consumption. The external clock can be stopped at any time and in any state without
affecting the processor.
-4-

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W78E058D 전자부품, 판매, 대치품
W78E516D/W78E058D Data Sheet
4 PIN CONFIGURATIONS
Publication Release Date: Feb 15, 2011
- 7 - Revision A09

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