GMS81C1404 Datasheet, PDF (3/98 Pages) Hynix Semiconductor – 8-BIT SINGLE-CHIP MICROCONTROLLERS

GMS81C1404/GMS81C1408
1. OVERVIEW .........................................................1
Description .........................................................1
Features .............................................................1
Development Tools ............................................2
Ordering Information ..........................................2
2. BLOCK DIAGRAM .............................................3
3. PIN ASSIGNMENT .............................................4
4. PACKAGE DIAGRAM ........................................5
5. PIN FUNCTION ...................................................6
6. PORT STRUCTURES .........................................8
7. ELECTRICAL CHARACTERISTICS
(GMS81C1404/GMS81C1408) .............................12
Absolute Maximum Ratings .............................12
Recommended Operating Conditions ..............12
A/D Converter Characteristics .........................12
DC Electrical Characteristics ...........................13
AC Characteristics ...........................................14
Typical Characteristics .....................................15
8. ELECTRICAL CHARACTERISTICS
(GMS87C1404/GMS87C1408) .............................17
Absolute Maximum Ratings 17
Recommended Operating Conditions ..............17
A/D Converter Characteristics .........................17
DC Electrical Characteristics ...........................18
AC Characteristics ...........................................19
Typical Characteristics .....................................20
9. MEMORY ORGANIZATION .............................22
Registers ..........................................................22
Program Memory .............................................24
Data Memory ...................................................27
Addressing Mode .............................................31
10. I/O PORTS ......................................................35
RA and RAIO registers ....................................35
RB and RBIO registers ....................................36
RC and RCIO registers ................................... 38
RD and RDIO registers ................................... 39
11. CLOCK GENERATOR ................................... 40
Oscillation Circuit ............................................ 40
12. Basic Interval Timer .................................... 41
13. TIMER / COUNTER ....................................... 42
8-bit Timer/Counter Mode ............................... 43
16-bit Timer/Counter Mode ............................. 45
8-bit Compare Output (16-bit) ......................... 45
8-bit Capture Mode ......................................... 45
16-bit Capture Mode ....................................... 48
PWM Mode ..................................................... 48
14. Serial Peripheral Interface ........................... 51
15. Buzzer Output function ................................ 53
16. ANALOG TO DIGITAL CONVERTER ........... 54
17. INTERRUPTS ................................................ 57
Interrupt Sequence .......................................... 59
BRK Interrupt .................................................. 60
Multi Interrupt .................................................. 60
External Interrupt ............................................. 62
18. WATCHDOG TIMER ...................................... 64
19. Power Saving Mode ..................................... 65
Stop Mode ....................................................... 65
STOP Mode using Internal RCWDT ............... 67
Wake-up Timer Mode ...................................... 68
Minimizing Current Consumption .................... 69
20. RESET ........................................................... 71
21. POWER FAIL PROCESSOR ......................... 72
22. OTP PROGRAMMING (GMS87C1404/
GMS87C1408 only) ............................................. 74
DEVICE CONFIGURATION AREA ................. 74
A. INSTRUCTION MAP ......................................i
B. INSTRUCTION SET ......................................ii
SEP. 2004 Ver 1.3