NEC PD750008 User Manual

Page 247

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CHAPTER 8 RESET FUNCTION

Table 8-1. Statuses of the Hardware after a Reset (2/2)

Processor clock control register
(PCC)

System clock control register
(SCC)

Clock output mode register
(CLOM)

Interrupt request flag (IRQxxx)

Interrupt enable flag (IExxx)

Priority selection register (IPS)

INT0, INT1 and INT2 mode
registers (IM0, IM1, IM2)

Output buffer

Output latch

I/O mode registers (PMGA,
PMGB, PMGC)

Pull-up resistor specification
register (POGA, POGB)

Hardware

Generation of a RESET
signal during operation

0

0

0

0

Reset (0)

0

0

0, 0, 0

Off

Clear (0)

0

0

Undefined

Sub-oscillator control register (SOS)

Clock
generator,
clock
output
circuit

Interrupt

Digital
ports

Generation of a RESET
signal in a standby mode

0

0

0

0

Reset (0)

0

0

0, 0, 0

Off

Clear (0)

0

0

Held

Bit sequential buffers (BSB0 to BSB3)

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