APLUS INTEGRATED CIRCUITS INC. APC5800E
OK FLAG(COPROCESSOR OK)
BIT - 5
BIT - 6
BIT - 7
COPROCESSOR CARRY.
TONE0 OR TONE1 ENABLE.
ꢀ 3FE0 System control 0. Write only. :
3FE0
0
1
BIT - 0
BIT - 1
BIT - 2
BIT - 3
MUST 0 = PA14,PA15 ARE IO PINS(DEFAULT).
PB9 IS IO PIN(DEFAULT).
PB9 IS EXTIRQ PIN.
PB7 IS EXTRAMCS.
PB7 IS IO PIN(DEFAULT).
ADC DISABLE, PA13 IS IO
PIN(DEFAULT).
ADC ENABLE, PA13 IS ADC PIN.
BIT - 4
BIT - 5
BIT - 6
BIT - 7
NO USE(MUST 0)
NO USE(MUST 0)
PWM DISABLE(DEFAULT).
DAC DISABLE(DEFAULT).
PWM ENABLE.
DAC ENABLE.
ꢀ 3FE1 System Control 1. Write only.
3FE1
0
1
BIT - 0
TIMER A CLOCK SELECT
32.768K HZ.(DEFAULT)
TIMER A CLOCK SELECT SYSTEM
CLOCK.
BIT - 1
BIT - 2
BIT - 3
BIT - 4
NO USE(MUST 0)
TIMER A DISABLE.(DEFAULT)
TIMER B DISABLE.(DEFAULT)
TIMER A INTERRUPT
TIMER A ENABLE.
TIMER B ENABLE.
TIMER A INTERRUPT ENABLE.
DISABLE.(DEFAULT)
BIT - 5
BIT - 6
TIMER B NMI DISABLE.(DEFAULT)
SYSTEM CLOCK = PLL
TIMER B NMI ENABLE.
SYSTEM CLOCK = 32768HZ.
CLOCK(DEFAULT).
BIT - 7
WATCHDOG TIMER DISABLE.
WATCHDOG TIMER
ENABLE.(DEFAULT)
ꢀ 3FE2 System control 2. Write only.
3FE2
0
1
BIT - 0
=1 ꢁENTRY STAND-BY MODE. IN STAND-BY MODE, HOLD CPU.
THE NMI AND IRQ WILL WAKE UP THE CPU.
6
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APLUS [ APLUS INTERGRATED CIRCUITS ]
