RESET KS57C2308/P2308/C2316/P2316
9-2
HARDWARE REGISTER VALUES AFTER RESET
Table 9-1 gives you detailed information about hardware register values after a RESET occurs during power-down
mode or during normal operation.
Table 9-1. Hardware Register Values After RESET
Hardware Component
or Subcomponent If RESET Occurs During
Power-Down Mode If RESET Occurs During
Normal Operation
Program counter (PC) Lower five bits of address 0000H
are transferred to PC12/13–8,
and the contents of 0001H to
PC7–0.
Lower five bits of address 0000H
are transferred to PC12/13–8,
and the contents of 0001H to
PC7–0.
Program Status Word (PSW):
Carry flag (C) Retained Undefined
Skip flag (SC0–SC2) 0 0
Interrupt status flags (IS0, IS1) 0 0
Bank enable flags (EMB, ERB) Bit 6 of address 0000H in
program memory is transferred to
the ERB flag, and bit 7 of the
address to the EMB flag.
Bit 6 of address 0000H in
program memory is transferred to
the ERB flag, and bit 7 of the
address to the EMB flag.
Stack pointer (SP) Undefined Undefined
Data Memory (RAM):
Working registers E, A, L, H, X, W, Z, Y Values retained Undefined
Bank selection registers (SMB, SRB) 0, 0 0, 0
BSC register (BSC0–BSC3) 0 0
Clocks:
Power control register (PCON) 0 0
Clock output mode register (CLMOD) 0 0
System clock control reg (SCMOD) 0 0
Interrupts:
Interrupt request flags (IRQx) 0 0
Interrupt enable flags (IEx) 0 0
Interrupt priority flag (IPR) 0 0
Interrupt master enable flag (IME) 0 0
INT0 mode register (IMOD0) 0 0
INT1 mode register (IMOD1) 0 0
INT2 mode register (IMOD2) 0 0