CHAPTER 19 RESET FUNCTION
Preliminary User’s Manual U16315EJ1V0UD
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Table 19-1. Hardware Statuses After Reset (2/2)
Hardware
Status After Reset
Mode register (WDTM)
67H
Watchdog timer
Enable register (WDTE)
9AH
Conversion result register (ADCR)
Undefined
Mode register (ADM)
00H
Analog input channel specification register (ADS)
00H
Power-fail comparison mode register (PFM)
00H
A/D converter
Power-fail comparison threshold register (PFT)
00H
Receive buffer register 0 (RXB0)
FFH
Transmit shift register 0 (TXS0)
FFH
Asynchronous serial interface operation mode register 0 (ASIM0)
01H
Serial interface UART0
Baud rate generator control register 0 (BRGC0)
1FH
Receive buffer register 6 (RXB6)
FFH
Transmit buffer register 6 (TXB6)
FFH
Asynchronous serial interface operation mode register 6 (ASIM6)
01H
Asynchronous serial interface reception error status register 6 (ASIS6)
00H
Asynchronous serial interface transmission status register 6 (ASIF6)
00H
Clock selection register 6 (CKSR6)
00H
Baud rate generator control register 6 (BRGC6)
FFH
Serial interface UART6
Asynchronous serial interface control register 6 (ASICL6)
16H
Transmit buffer register 10 (SOTB10)
Undefined
Serial I/O shift register 10 (SIO10)
00H
Serial operation mode register 10 (CSIM10)
00H
Serial interface CSI10
Serial clock selection register 10 (CSIC10)
00H
Key interrupt
Key return mode register (KRM)
00H
Clock monitor
Mode register (CLM)
00H
Reset function
Reset control flag register (RESF)
00H
Note
Low-voltage detection register (LVIM)
00H
Note
Low-voltage detector
Low-voltage detection level selection register (LVIS)
00H
Note
Request flag registers 0L, 0H, 1L (IF0L, IF0H, IF1L)
00H
Mask flag registers 0L, 0H, 1L (MK0L, MK0H, MK1L)
FFH
Priority specification flag registers 0L, 0H, 1L (PR0L, PR0H, PR1L)
FFH
External interrupt rising edge enable register (EGP)
00H
Interrupt
External interrupt falling edge enable register (EGN)
00H
Note
These values vary depending on the reset source.
Reset Source
Register
RESET Input
Reset by POC
Reset by WDT
Reset by CLM
Reset by LVI
RESF
See
Table 19-2
.
LVIM
LVIS
Cleared (00H)
Cleared (00H)
Cleared (00H)
Cleared (00H)
Held