Table 8: Special Function Register Reset Values
Internal Register
Stack Pointer (SP)
I/O Status Register 2 (IOS2)
I/O Status Register 1 (IOS1)
I/O Status Register 0 (IOS0)
Window Select Register (WSR)
Interrupt Mask Register 1 (INT_MASK1)
Interrupt Pending Register 1
(INT_PEND1)
Serial Port Status Register (SP_STAT)
Port 2 Register (PORT2)
Port 1 Register (PORT1)
Port 0 Register (PORT0)
Timer 2 Value Register (TIMER2)
Timer 1 Value Register (TIMER1)
Interrupt Pending Register (INT_PEND)
Interrupt Mask Register (INT_MASK)
Receive Serial Port Register (SBUF
(RX))
HSI Status Register (HSI_status)
HSI Time Register (HSI_time)
Zero Register (ZERO_REG)
PWM0 Control Register (PWM0_CTRL)
I/O Control Register 1 (IOC1)
I/O Control Register 0 (IOC0)
Serial Port Control Register (SP_CON)
Baud Rate Register (BAUD_RATE)
I/O Control Register 2 (IOC2)
Watch Dog Timer Register (WATCH-
DOG)
Binary Reset State
XXXX XXXX XXXX XXXX
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 0000
0000 1011
110X XXX1
1111 1111
XXXX XXXX
0000 0000 0000 0000
0000 0000 0000 0000
0000 0000
0000 0000
0000 0000
X0X0 X0X0
XXXX XXXX XXXX XXXX
0000 0000 0000 0000
0000 0000
0010 0001
0000 00X0
0000 1011
0000 0000 0000 0001
X00X X000
0000 0000
Hexadecimal Reset
Value
XXXX
00
00
00
00
00
00
0B
XX
FF
XX
0000
0000
00
00
00
XX
XXXX
0000
00
21
0X
0B
0001
XX
00
7
AEROFLEX [ AEROFLEX CIRCUIT TECHNOLOGY ]
