SN8P1600
8-bit micro-controller
TC1R AUTO-LOAD REGISTER .............................................................................................................. 59
TC1 TIMER COUNTER OPERATION SEQUENCE ............................................................................... 60
TC1 CLOCK FREQUENCY OUTPUT (BUZZER) .................................................................................. 62
PWM FUNCTION DESCRIPTION (SN8P1604 O
NLY
) ............................................................................. 63
OVERVIEW .............................................................................................................................................. 63
PWM PROGRAM DESCRIPTION........................................................................................................... 64
9
INTERRUPT................................................................................................................................... 65
OVERVIEW................................................................................................................................................. 65
INTEN INTERRUPT ENABLE REGISTER .............................................................................................. 66
INTRQ INTERRUPT REQUEST REGISTER ............................................................................................ 66
INTERRUPT OPERATION DESCRIPTION.............................................................................................. 67
GIE GLOBAL INTERRUPT OPERATION............................................................................................... 67
INT0 (P0.0) INTERRUPT OPERATION .................................................................................................. 68
TC0/TC1 INTERRUPT OPERATION ...................................................................................................... 69
MULTI-INTERRUPT OPERATION ......................................................................................................... 70
10
11
12
I/O PORT ............................................................................................................................ 71
OVERVIEW................................................................................................................................................. 71
I/O PORT FUNCTION TABLE................................................................................................................... 72
I/O PORT MODE......................................................................................................................................... 73
I/O PORT DATA REGISTER ..................................................................................................................... 74
EXTERNAL RESET CIRCUIT........................................................................................ 76
SN8P1602 E
XTERNAL
R
ESET
C
IRCUIT
E
XAMPLE
......................................................................................... 76
SN8P1603 E
XTERNAL
R
ESET
C
IRCUIT
E
XAMPLE
......................................................................................... 77
CODING ISSUE ................................................................................................................. 79
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