71M6541F Maxim, 71M6541F Datasheet - Page 110

• Manufacturer Part Number: 71M6541F
• Description: The 71M6541D/71M6541F/71M6541G/71M6542F/71M6542G are Teridian™ 4th-generation single-phase metering SoCs with a 5MHz 8051-compatible MPU core, low-power RTC with digital temperature compensation, flash memory, and LCD driver
• Manufacturer: Maxim

71M6541D/F/G and 71M6542F/G Data Sheet
†
110
MPU PORTS
FLASH
I
2
71M6542F/G only
C
FLSHCTL
WAKE_E
EEDATA
EECTRL
WDRST
PGADR
ERASE
RTC10
RTC11
RTC12
RTC13
RTC14
TEMP
Name
RTC2
RTC3
RTC4
RTC5
RTC6
RTC7
RTC8
RTC9
MISC
WF1
WF2
P3
P2
P1
P0
SFR B0
SFR A0
SFR B2
SFR B7
SFR 9E
SFR 9F
SFR 90
SFR 80
SFR 94
289C
289D
Addr
2892
2893
2894
2895
2896
2897
2898
2899
289B
289E
289F
28A0
28B0
28B1
28B2
28B3
28B4
TEMP_BSEL
WF_CSTART
PREBOOT
WD_RST
SLEEP
Bit 7
U
U
U
U
U
U
U
U
U
U
U
TEMP_START
TEMP_PWR
LCD_ONLY
SECURE
WF_RST
Bit 6
U
U
U
U
U
U
U
U
U
U
U
DIO_DIR[15:12]
DIO_DIR[11:8]
DIO_DIR[7:4]
DIO_DIR[3:0]
OSC_COMP
WAKE_ARM
WF_RSTBIT
WF_TMR
Bit 5
FLSH_PGADR[5:0]
U
U
U
U
U
U
U
U
U
RTC_P[5:0]
TEMP_BAT
WF_OVF
WF_RX
EW_RX
Bit 4
FLSH_ERASE[7:0]
U
U
U
U
U
RTC_SBSC[7:0]
EEDATA[7:0]
EECTRL[7:0]
RTC_YR[7:0]
RTC_P[13:6]
TBYTE_BUSY
FLSH_PEND FLSH_PSTWR FLSH_MEEN
WF_ERST
WF_PB
EW_PB
Bit 3
U
U
U
RTC_TMIN[5:0]
RTC_MIN[5:0]
RTC_SEC[5:0]
RTC_DATE[4:0]
RTC_THR[4:0]
WF_BADVDD
RTC_HR[4:0]
WF_DIO4
EW_DIO4
Bit 2
U
RTC_MO[3:0]
DIO[15:12]
DIO[11:8]
DIO[7:4]
DIO[3:0]
TEMP_PER[2:0]
RTC_DAY[2:0]
RTC_P[16:14]
EW_DIO52
WF_DIO52
Bit 1
U
U
RTC_Q[1:0]
†
FLSH_PWE
WF_DIO55
EW_DIO55
Bit 0
U
U
Rev 2