參數(shù)資料
型號(hào): S3C70F2XX-SO
元件分類(lèi): 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO32
封裝: 0.450 INCH, SOP-32
文件頁(yè)數(shù): 12/179頁(yè)
文件大?。?/td> 1070K
代理商: S3C70F2XX-SO
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RESET
S3C70F2/C70F4/P70F4
9-2
Table 9-1. Hardware Register Values After
RESET
Hardware Component
or Subcomponent
If
RESET
RESET Occurs During
Power-Down Mode
If
RESET
RESET Occurs During
Normal Operation
Program counter (PC)
Lower three bits of address 0000H
are transferred to PC11-8, and the
contents of 0001H to PC7-0.
Lower three bits of address
0000H are transferred to PC11-8,
and the contents of 0001H to
PC7-0.
Program Status Word (PSW):
Carry flag (C)
Retained
Undefined
Skip flag (SC0-SC2)
0
Interrupt status flags (IS0, IS1)
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
Data Memory (RAM):
General registers E, A, L, H, X, W, Z, Y
Values retained
Undefined
General-purpose registers
Values retained (Note)
Undefined
Bank selection registers (SMB, SRB)
0, 0
BSC register (BSC0-BSC3)
0
Clocks:
Power control register (PCON)
0
Clock output mode register (CLMOD)
0
Interrupts:
Interrupt request flags (IRQx)
0
Interrupt enable flags (IEx)
0
Interrupt priority flag (IPR)
0
Interrupt master enable flag (IME)
0
INT0 mode register (IMOD0)
0
INT1 mode register (IMOD1)
0
INTK mode register (IMODK)
0
NOTE: The values of the 0F8H-0FDH are not retained when a
RESET signal is input
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