Maxim Integrated 71M6513H Power Meter IC Family Software User Manual
Page 101

71M651x Software User’s Guide
Generic Special Function Registers Location and Reset Values
Table 6-5 shows the location of the SFRs and the value they assume at reset on power-up.
Register
Location
Reset value
Description
P0
80H
FFH
Port 0
SP
81H
07H
Stack Pointer
DPL
82H
00H
Data Pointer Low 0
DPH
83H
00H
Data Pointer High 0
DPL1
84H
00H
Data Pointer Low 1
DPH1
85H
00H
Data Pointer High 1
WDTREL
86H
00H
Watchdog Timer Reload register
PCON
87H
00H
UART Speed Control
TCON
88H
00H
Timer/Counter Control
TMOD
89H
00H
Timer Mode Control
TL0
8AH
00H
Timer 0, low byte
TL1
8BH
00H
Timer 1, high byte
TH0
8CH
00H
Timer 0, low byte
TH1
8DH
00H
Timer 1, high byte
CKCON
8EH
01H
Clock Control (Stretch=1)
P1
90H
FFH
Port 1
DPS
92H
00H
Data Pointer select Register
S0CON
98H
00H
Serial Port 0, Control Register
S0BUF
99H
00H
Serial Port 0, Data Buffer
IEN2
9AH
00H
Interrupt Enable Register 2
S1CON
9BH
00H
Serial Port 1, Control Register
S1BUF
9CH
00H
Serial Port 1, Data Buffer
S1RELL
9DH
00H
Serial Port 1, Reload Register, low byte
P2
A0H
00H
Port 2
IEN0
A8H
00H
Interrupt Enable Register 0
IP0
A9H
00H
Interrupt Priority Register 0
S0RELL
AAH
D9H
Serial Port 0, Reload Register, low byte
P3
B0H
FFH
Port 3
IEN1
B8H
00H
Interrupt Enable Register 1
IP1
B9H
00H
Interrupt Priority Register 1
S0RELH
BAH
03H
Serial Port 0, Reload Register, high byte
S1RELH
BBH
03H
Serial Port 1, Reload Register, high byte
USR2
BFH
00H
User 2 Port, high address byte for MOVX@Ri
IRCON
C0H
00H
Interrupt Request Control Register
PSW
D0H
00H
Program Status Word
WDCON
D8H
00H
Baud Rate Control Register (only WDCON.7 bit used)
A
E0H
00H
Accumulator
B
F0H
00H
B Register
Table 6-5: Special Function Registers Reset Values
Revision 2.4
TERIDIAN Proprietary
101 of 137
© Copyright 2005-2006 TERIDIAN Semiconductor Corporation