µ
PD754144, 754244
35
Data Sheet U10040EJ2V1DS
Table 10-1. Hardware Status After Reset (2/3)
Hardware
RESET signal generation
RESET signal generation
in the standby mode
in operation
Programmable threshold port mode register (PTHM)
00H
00H
Clock generator
Processor clock control register (PCC)
0
0
Interrupt
Interrupt request flag (IRQ
×××
)
Reset (0)
Reset (0)
function
Interrupt enable flag (IE
×××
)
0
0
Interrupt priority selection register (IPS)
0
0
INT0, 2 mode registers (IM0, IM2)
0, 0
0, 0
Digital port
Output buffer
Off
Off
Output latch
Cleared (0)
Cleared (0)
I/O mode registers (PMGA, C)
0
0
Pull-up resistor setting register (POGA, B)
0
0
Bit sequential buffer (BSB0-BSB3)
Held
Undefined
Table 10-1. Hardware Status After Reset (3/3)
RESET signal
RESET signal
RESET signal
RESET signal
Hardware
generation by key
generation in the
generation by WDT
generation during
return reset
standby mode
during operation
operation
Watchdog flag (WDF)
Hold the previous status
0
1
0
Key return flag (KRF)
1
0
Hold the previous status
0
*