71m6521fe Maxim Integrated Products, Inc., 71m6521fe Datasheet - Page 71

• Manufacturer Part Number: 71m6521fe
• Description: Energy Meter Ic
• Manufacturer: Maxim Integrated Products, Inc.

‘Not Used’ bits are blacked out and contain no memory and are read by the MPU as zero. RESERVED bits are in use and
should not be changed. This table lists only the SFR registers that are not generic 8051 SFR registers
v1.0
* = Only available on QFN-68 package. Reserved in LQFP-64 package.
Digital I/O:
Interrupts and WD Timer:
Flash:
Serial EEPROM:
FLSHCTL B2
RTM Probes:
Pulse Generator:
EEDATA
EECTRL
INTBITS
IFLAGS
PGADR
PLS_W
ERASE
DIO10
DIO11
DIO12
RTM0
RTM1
RTM2
RTM3
PLS_I
Name
DIO7
DIO8
DIO9
SFR Bit 7
2080
2081
2060
2061
2062
2063
A2
A0
A1
E8
B7
9E
80
90
91
F8
94
9F
SFR MAP (SFRs Specific to TERIDIAN 80515) – In Numerical Order
IE_PLLFALL
PREBOOT
Not Used
Not Used
WD_RST
DIO_DIR1[7:6]
DIO_1[7:6]
IE_PLLRISE IE_WAKE
Not Used
Not Used
SECURE
DIO_0[7:4] (Port 0)
Bit 6
INT6
DIO_DIR0[7:4]
© 2005-2008 TERIDIAN Semiconductor Corporation
Not Used
Bit 5
INT5
DIO_DIR2[5:3] (QFN-68)
Reserved
Reserved
DIO2[5:3] (QFN-68)
FLSH_PGADR[6:0]
Not Used
PLS_MAXWIDTH[7:0]
IE_PB
PLS_INTERVAL[7:0]
Bit 4
INT4
FLSH_ERASE[7:0]
EEDATA[7:0]
EECTRL[7:0]
RTM0[7:0]
RTM1[7:0]
RTM2[7:0]
RTM3[7:0]
71M6521DE/71M6521FE
IE_FWCOL1 IE_FWCOL0
Not Used
Reserved
Reserved
*
Bit 3
INT3
*
Reserved
Reserved
Not Used
DIO_1[3:0] (Port 1)
Bit 2
INT2
Energy Meter IC
DIO_DIR0[2:1]
DIO_DIR1[3:0]
DIO_0[2:1]
FLSH_MEEN
IE_RTC
DIO_2[1:0] (Port 2)
Bit 1
INT1
DATASHEET
DIO_DIR2[1:0]
FLSH_PWE
Reserved
Not Used
JANUARY 2008
IE_XFER
Page: 71 of 101
Bit 0
INT0
PB