71M6541D Datasheet, PDF (34/166 Pages) Maxim Integrated Products – 0.1% Accuracy Over 2000:1 Current Range Energy Meter ICs

71M6541D/F/G and 71M6542F/G Data Sheet
2.4.3 Generic 80515 Special Function Registers
Table 13 shows the location, description and reset or power-up value of the generic 80515 SFRs. Additional
descriptions of the registers can be found at the page numbers listed in the table.
Table 13: Generic 80515 SFRs - Location and Reset Values
Name
P0
SP
DPL
DPH
DPL1
DPH1
PCON
TCON
TMOD
TL0
TL1
TH0
TH1
CKCON
P1
DPS
S0CON
S0BUF
IEN2
S1CON
S1BUF
S1RELL
P2
IEN0
IP0
S0RELL
P3
IEN1
IP1
S0RELH
S1RELH
PDATA
IRCON
T2CON
PSW
WDCON
A
B
Address
(Hex)
0x80
0x81
0x82
0x83
0x84
0x85
0x87
0x88
0x89
0x8A
0x8B
0x8C
0x8D
0x8E
0x90
0x92
0x98
0x99
0x9A
0x9B
0x9C
0x9D
0xA0
0xA8
0xA9
0xAA
0xB0
0xB8
0xB9
0xBA
0xBB
0xBF
0xC0
0xC8
0xD0
0xD8
0xE0
0xF0
Reset value
(Hex)
Description
0xFF
Port 0
0x07
Stack Pointer
0x00
Data Pointer Low 0
0x00
Data Pointer High 0
0x00
Data Pointer Low 1
0x00
Data Pointer High 1
0x00
UART Speed Control
0x00
Timer/Counter Control
0x00
Timer Mode Control
0x00
Timer 0, low byte
0x00
Timer 1, high byte
0x00
Timer 0, low byte
0x00
Timer 1, high byte
0x01
Clock Control (Stretch=1)
0xFF
Port 1
0x00
Data Pointer select Register
0x00
Serial Port 0, Control Register
0x00
Serial Port 0, Data Buffer
0x00
Interrupt Enable Register 2
0x00
Serial Port 1, Control Register
0x00
Serial Port 1, Data Buffer
0x00
Serial Port 1, Reload Register, low byte
0xFF
Port 2
0x00
Interrupt Enable Register 0
0x00
Interrupt Priority Register 0
0xD9
Serial Port 0, Reload Register, low byte
0xFF
Port 3
0x00
Interrupt Enable Register 1
0x00
Interrupt Priority Register 1
0x03
Serial Port 0, Reload Register, high byte
0x03
Serial Port 1, Reload Register, high byte
0x00
High address byte for MOVX@Ri - also called USR2
0x00
Interrupt Request Control Register
0x00
Polarity for INT2 and INT3
0x00
Program Status Word
0x00
Baud Rate Control Register (only WDCON[7] bit used)
0x00
Accumulator
0x00
B Register
Page
36
35
35
35
35
35
39
42
40
39
39
39
39
36
36
32
38
36
42
38
36
36
36
41
45
36
36
41
45
36
36
32
42
42
35
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35