UPD78F0138 NEC, UPD78F0138 Datasheet - Page 399

• Manufacturer Part Number: UPD78F0138
• Description: (UPD78xxxx) 8-Bit Single-Chip Microcontrollers
• Manufacturer: NEC

Note
Reset function
Low-voltage detector
Interrupt
Register
RESF
LVIM
LVIS
These values vary depending on the reset source.
Reset Source
Table 20-1. Hardware Statuses After Reset Acknowledgment (3/3)
Reset control flag register (RESF)
Low-voltage detection register (LVIM)
Low-voltage detection level selection register (LVIS)
Request flag registers 0L, 0H, 1L, 1H (IF0L, IF0H, IF1L, IF1H)
Mask flag registers 0L, 0H, 1L (MK0L, MK0H, MK1L)
Mask flag register 1H (MK1H)
Priority specification flag registers 0L, 0H, 1L, 1H (PR0L, PR0H, PR1L,
PR1H)
External interrupt rising edge enable register (EGP)
External interrupt falling edge enable register (EGN)
See Table 20-2.
Cleared (00H)
RESET Input
CHAPTER 20 RESET FUNCTION
Hardware
User’s Manual U16228EJ2V0UD
Cleared (00H)
Reset by POC
Cleared (00H)
Reset by WDT
Cleared (00H)
Reset by CLM
00H
00H
00H
00H
FFH
DFH
FFH
00H
00H
Held
Status After Reset
Acknowledgment
Reset by LVI
Note
Note
Note
399