UPD78F9234MC-5A4-A Datasheet, PDF (256/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CHAPTER 15 RESET FUNCTION
Table 15-1. Hardware Statuses After Reset Acknowledgment (2/2)
Serial interface UART6
Multiplier
Reset function
Low-voltage detector
Interrupt
Flash memory
Hardware
Receive buffer register 6 (RXB6)
Transmit buffer register 6 (TXB6)
Asynchronous serial interface operation mode register 6 (ASIM6)
Asynchronous serial interface reception error status register 6
(ASIS6)
Asynchronous serial interface transmission error status register 6
(ASIF6)
Clock select register 6 (CKSR6)
Baud rate generator control register 6 (BRGC6)
Asynchronous serial interface control register 6 (ASICL6)
Input select control register (ISC)
16-bit Multiplication result storage register (MUL0)
Data registers (MRA0, MRB0)
Control register (MULC0)
Reset control flag register (RESF)
Low-voltage detection register (LVIM)
Low-voltage detection level select register (LVIS)
Request flag registers (IF0, IF1)
Mask flag registers (MK0, MK1)
External interrupt mode registers (INTM0, INTM1)
Flash protect command register (PFCMD)
Flash status register (PFS)
Flash programming mode control register (FLPMC)
Flash programming command register (FLCMD)
Flash address pointer L (FLAPL)
Flash address pointer H (FLAPH)
Flash address pointer H compare register (FLAPHC)
Flash address pointer L compare register (FLAPLC)
Flash write buffer register (FLW)
Status After Reset
FFH
FFH
01H
00H
00H
00H
FFH
16H
00H
Undefined
Undefined
00H
00H^Note
00H^Note
00H^Note
00H
FFH
00H
Undefined
00H
Undefined
00H
Undefined
00H
00H
00H
Note These values change as follows depending on the reset source.
Reset Source RESET Input
Register
RESF WDTRF
Cleared (0)
LVIRF
LVIM
Cleared (00H)
LVIS
Reset by POC Reset by WDT Reset by LVI
Cleared (0)
Cleared (00H)
Set (1)
Held
Cleared (00H)
Held
Set (1)
Held
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User’s Manual U17446EJ5V0UD