RL78/G1P
CHAPTER 17 RESET FUNCTION
R01UH0895EJ0100 Rev.1.00
613
Nov 29, 2019
Table 17-2. Hardware Statuses After Reset Acknowledgment (1/3)
Hardware After
Reset
Acknowledgment
Note 1
Program counter (PC)
The contents of the reset
vector table (00000H,
00001H) are set.
Stack pointer (SP)
Undefined
Program status word (PSW)
06H
RAM Data
memory
Undefined
General-purpose registers
Undefined
Processor mode control register (PMC)
00H
Port registers (P1 to P4, P6, P12, P13) (output latches)
00H
Port mode registers (PM1 to PM4, PM6)
FFH
Port mode control register 1 (PMC1)
FFH
Pull-up resistor option registers (PU1, PU3, PU4)
00H (PU4 is 01H)
Clock operation mode control register (CMC)
00H
Clock operation status control register (CSC)
C0H
System clock control register (CKC)
00H
Oscillation stabilization time counter status register (OSTC)
00H
Oscillation stabilization time select register (OSTS)
07H
Noise filter enable registers 0, 1 (NFEN0, NFEN1)
00H
Peripheral enable register 0 (PER0)
00H
Peripheral enable register 1 (PER1)
00H
High-speed on-chip oscillator frequency select register (HOCODIV)
Undefined
High-speed on-chip oscillator trimming register (HIOTRM)
Undefined
Note 2
Timer array unit
Timer data registers 00 to 03 (TDR00 to TDR03)
0000H
Timer mode registers 00 to 03 (TMR00 to TMR03)
0000H
Timer status registers 00 to 03 (TSR00 to TSR03)
0000H
Timer input select register 0 (TIS0)
00H
Timer counter registers 00 to 03 (TCR00 to TCR03)
FFFFH
Timer channel enable status register 0 (TE0)
0000H
Timer channel start register 0 (TS0)
0000H
Timer channel stop register 0 (TT0)
0000H
Timer clock select register 0 (TPS0)
0000H
Timer output register 0 (TO0)
0000H
Timer output enable register 0 (TOE0)
0000H
Timer output level register 0 (TOL0)
0000H
Timer output mode register 0 (TOM0)
0000H
Notes 1.
During reset signal generation or oscillation stabilization time wait, only the PC contents among the hardware
statuses become undefined. All other hardware statuses remain unchanged after reset.
2.
The reset value differs for each chip.