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W78E052DFG Datasheet - Nuvoton Technology
| Manufacturer: | Nuvoton Technology |
| Category: | Microcontrollers |
| Case Package: | BQFP-44 |
| Description: | Ic Mcu 8Bit 8KB Flash 44qfp |
| Pictures: |
W78E052DFGDatasheet PDF
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W78E054D/W78E052D/W78E051D Data Sheet
8-BIT MICROCONTROLLER
Publication Release Date: Oct 20, 2011
- 1 - Revision A10
Table of Contents-
1 GENERAL DESCRIPTION ......................................................................................................... 4
2 FEATURES ................................................................................................................................. 5
3 PARTS INFORMATION LIST ..................................................................................................... 6
4 PIN CONFIGURATIONS............................................................................................................. 7
5 PIN DESCRIPTIONS .................................................................................................................. 9
6 BLOCK DIAGRAM .................................................................................................................... 11
7 FUNCTIONAL DESCRIPTION.................................................................................................. 12
7.1 On-Chip Flash EPROM ................................................................................................ 12
7.2 I/O Ports........................................................................................................................ 12
7.3 Serial I/O ....................................................................................................................... 12
7.4 Timers ........................................................................................................................... 12
7.5 Interrupts....................................................................................................................... 12
7.6 Data Pointers ................................................................................................................ 13
7.7 Architecture................................................................................................................... 13
7.7.1 ALU ................................................................................................................................13
7.7.2 Accumulator ...................................................................................................................13
7.7.3 B Register.......................................................................................................................13
7.7.4 Program Status Word .....................................................................................................13
7.7.5 Scratch-pad RAM ...........................................................................................................13
7.7.6 Stack Pointer ..................................................................................................................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 ..............................................................................................17
8.2.3 Stack ..............................................................................................................................17
9 SPECIAL FUNCTION REGISTERS ......................................................................................... 18
9.1 SFR Detail Bit Descriptions .......................................................................................... 20
10 INSTRUCTION.......................................................................................................................... 35
10.1 Instruction Timing.......................................................................................................... 43
11 POWER MANAGEMENT.......................................................................................................... 44
11.1 Idle Mode ...................................................................................................................... 44
11.2 Power Down Mode ....................................................................................................... 44
12 RESET CONDITIONS............................................................................................................... 45
12.1 Sources of reset............................................................................................................ 45
12.1.1 External Reset..............................................................................................................45
12.1.2 Software Reset.............................................................................................................45
12.1.3 Watchdog Timer Reset.................................................................................................45
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