W78IRD2 Datasheet, PDF (1/76 Pages) Winbond – 8-BIT MICROCONTROLLER

W78IRD2 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...................................................................... 48
11.3 High Speed Output Mode .............................................................................................. 48
11.4 Pulse Width Modulator Mode ........................................................................................ 49
11.5 Watchdog Timer............................................................................................................ 50
12. HARDWARE WATCHDOG TIMER (ONE-TIME ENABLED WITH RESET-OUT) ................... 51
13. DUAL DPTR .............................................................................................................................. 51
14. TIMED-ACCESS PROTECTION............................................................................................... 52
Publication Release Date: October 2, 2006
-1-
Revision A7