CHAPTER 15 RESET FUNCTION
User’s Manual U17446EJ3V1UD
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Table 15-1. Hardware Statuses After Reset Acknowledgment (2/2)
Hardware
Status After Reset
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 error status register 6
(ASIF6)
00H
Clock select register 6 (CKSR6)
00H
Baud rate generator control register 6 (BRGC6)
FFH
Asynchronous serial interface control register 6 (ASICL6)
16H
Serial interface UART6
Input select control register (ISC)
00H
16-bit Multiplication result storage register (MUL0)
Undefined
Data registers (MRA0, MRB0)
Undefined
Multiplier
Control register (MULC0)
00H
Reset function
Reset control flag register (RESF)
00H
Note
Low-voltage detection register (LVIM)
00H
Note
Low-voltage detector
Low-voltage detection level select register (LVIS)
00H
Note
Request flag registers (IF0, IF1)
00H
Mask flag registers (MK0, MK1)
FFH
Interrupt
External interrupt mode registers (INTM0, INTM1)
00H
Flash protect command register (PFCMD)
Undefined
Flash status register (PFS)
00H
Flash programming mode control register (FLPMC)
Undefined
Flash programming command register (FLCMD)
00H
Flash address pointer L (FLAPL)
Flash address pointer H (FLAPH)
Undefined
Flash address pointer H compare register (FLAPHC)
00H
Flash address pointer L compare register (FLAPLC)
00H
Flash memory
Flash write buffer register (FLW)
00H
Note
These values change as follows depending on the reset source.
Reset Source
Register
RESET Input
Reset by POC
Reset by WDT
Reset by LVI
WDTRF Set
(1)
Held
RESF
LVIRF
Cleared (0)
Cleared (0)
Held Set
(1)
LVIM
LVIS
Cleared (00H)
Cleared (00H)
Cleared (00H)
Held