W78ERD2_07 Datasheet, PDF (1/76 Pages) Winbond – 8-BIT MICROCONTROLLER

W78ERD2/W78ERD2A Data Sheet
Table of Contents-
8-BIT MICROCONTROLLER
1. GENERAL DESCRIPTION ......................................................................................................... 3
2. FEATURES ................................................................................................................................. 3
3. PIN CONFIGURATIONS ............................................................................................................ 4
4. PIN DESCRIPTION..................................................................................................................... 5
5. FUNCTIONAL DESCRIPTION ................................................................................................... 6
5.1 RAM ................................................................................................................................ 6
5.2 Timers/Counters ............................................................................................................. 6
5.3 Clock ............................................................................................................................... 7
5.4 Power Management........................................................................................................ 7
5.5 Reduce EMI Emission .................................................................................................... 7
5.6 Reset............................................................................................................................... 7
6. SPECIAL FUNCTION REGISTER.............................................................................................. 8
7. PORT 4 AND BASE ADDRESS REGISTERS ......................................................................... 30
8. INTERRUPTS ........................................................................................................................... 32
8.1 External Interrupts 2 and 3 ........................................................................................... 32
8.2 Interrupt Priority ............................................................................................................ 32
9. PROGRAMMABLE TIMERS/COUNTERS ............................................................................... 33
9.1 Timer 0 and Timer 1 ..................................................................................................... 33
9.2 Timer/Counter 2............................................................................................................ 35
10. ENHANCED FULL DUPLEX SERIAL PORT............................................................................ 38
10.1 MODE 0 ........................................................................................................................ 38
10.2 MODE 1 ........................................................................................................................ 39
10.3 MODE 2 ........................................................................................................................ 40
10.4 MODE 3 ........................................................................................................................ 41
10.5 Framing Error Detection ............................................................................................... 42
10.6 Multi-Processor Communications................................................................................. 42
11. PROGRAMMABLE COUNTER ARRAY (PCA) ........................................................................ 44
11.1 PCA Capture Mode....................................................................................................... 47
11.2 16-bit Software Timer Comparator Mode ..................................................................... 47
11.3 High Speed Output Mode ............................................................................................. 48
11.4 Pulse Width Modulator Mode ....................................................................................... 49
11.5 Watchdog Timer ........................................................................................................... 49
12. HARDWARE WATCHDOG TIMER (ONE-TIME ENABLED WITH RESET-OUT) ................... 50
Publication Release Date: February 14, 2007
-1-
Revision A10