CHAPTER 16 RESET FUNCTION
Preliminary User’s Manual U16846EJ1V0UD
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Table 16-1. Hardware Statuses After Reset Acknowledgment (2/2)
Hardware
Status After Reset
Acknowledgment
Receive buffer register 0 (RXB0)
FFH
Transmit shift register 0 (TXS0)
FFH
Asynchronous serial interface operation mode register 0 (ASIM0)
01H
Serial interface UART0
Note 1
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 error 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
Clock monitor
Mode register (CLM)
00H
Reset function
Reset control flag register (RESF)
00H
Note 2
Low-voltage detection register (LVIM)
00H
Note 2
Low-voltage detector
Low-voltage detection level selection register (LVIS)
00H
Note 2
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
Flash protect command register (PFCMD)
Undefined
Flash status register (PFS)
00H
Flash memory
Flash programming mode control register (FLPMC)
0XH
Note 3
Notes 1.
µ
PD78F0102H and 78F0103H only.
2. 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 16-2.
LVIM
LVIS
Cleared (00H)
Cleared (00H)
Cleared (00H)
Cleared (00H)
Held
3. Differs depending on the operation mode.
•
User mode:
08H
•
On-board mode: 0CH