Renesas RL78/G15 User Manual

RL78/G15 CHAPTER 3 CPU ARCHITECTURE
R01UH0959EJ0110 Rev.1.10 Page 72 of 765
Mar 7, 2023
Table 3-5. SFR List (2/2)
Address Special Function Register (SFR) Name Symbol R/W Manipulable Bit Range After Reset
1-bit 8-bit 16-bit
FFF6EH Timer data register 07 TDR07 R/W — —  0000H
FFF6FH
FFF90H Interval timer control register ITMC R/W — —  0FFFH
FFF91H
FFFA0H Clock operation mode control register CMC R/W —  — 00H
FFFA1H Clock operation status control register CSC R/W   — 80H
FFFA2H Oscillation stabilization time counter status register OSTC R   — 00H
FFFA3H Oscillation stabilization time select register OSTS R/W —  — 07H
FFFA4H System clock control register CKC R/W   — 00H
FFFA5H Clock output select register 0 CKS0 R/W   — 00H
FFFA8H Reset control flag register RESF R —  — Undefined
Note 1
FFFABH Watchdog timer enable register WDTE R/W —  — 1AH/9AH
Note 2
FFFE0H Interrupt request flag register 0 IF0L IF0 R/W    00H
FFFE1H IF0H R/W   00H
FFFE2H Interrupt request flag register 1 IF1L IF1 R/W    00H
FFFE3H IF1H R/W   00H
FFFE4H Interrupt mask flag register 0 MK0L MK0 R/W    FFH
FFFE5H MK0H R/W   FFH
FFFE6H Interrupt mask flag register 1 MK1L MK1 R/W    FFH
FFFE7H MK1H R/W   FFH
FFFE8H Priority specification flag register 00 PR00L PR00 R/W    FFH
FFFE9H PR00H R/W   FFH
FFFEAH Priority specification flag register 01 PR01L PR01 R/W    FFH
FFFEBH PR01H R/W   FFH
FFFECH Priority specification flag register 10 PR10L PR10 R/W    FFH
FFFEDH PR10H R/W   FFH
FFFEEH Priority specification flag register 11 PR11L PR11 R/W    FFH
FFFEFH PR11H R/W   FFH
Note 1. The reset values of the registers vary depending on the reset source as shown below.
Reset Source
Register
RESET
¯¯¯¯¯¯
Input Reset by
Execution of
Illegal Instruction
Reset by
WDT
Reset by
Illegal-Memory
Access
Reset by
SPOR
Reset by data
retention lower
limit voltage
RESF TRAP Cleared (0) Set (1) Held Held Cleared (0)
WDTRF Held Set (1) Held
IAWRF Held Set (1)
SPORF Held Set (1)
Note 2. The reset value of the WDTE register is determined by the setting of the option byte.
Remark For extended SFRs (2nd SFRs), see Table 3-6. Extended SFR (2nd SFR) List (1/4).

Renesas RL78/G15 Specifications

General

Brand	Renesas
Model	RL78/G15
Category	Microcontrollers
Language	English