71M6541F Maxim, 71M6541F Datasheet - Page 106

• 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
106
Notes:
*SFMM and SFMS are accessible only through the SPI slave port. See Invoking SFM (page 77) for details.
†
LCD_MAP5
LCD_MAP4
LCD_MAP3
LCD_MAP2
LCD_MAP1
LCD_MAP0
71M6542F/G only.
WAKE_E
DIO_R5
DIO_R4
DIO_R3
DIO_R2
DIO_R1
DIO_R0
INT1_E
INT2_E
SFMM
SFMS
Name
DIO0
DIO1
DIO2
201C
201D
Addr
2015
2016
2017
2018
2019
201A
201B
201E
201F
2020
2021
2022
2023
2024
2025
2026
2080
2081
DIO_PW
EX_EEX
DIO_PX
EX_SPI
Bit 7
U
U
U
U
U
U
DIO_EEX[1:0]
EX_WPULSE
EX_XPULSE
DIO_PV
DIO_PY
Bit 6
U
DIO_R11[2:0]
DIO_R9[2:0]
DIO_R7[2:0]
DIO_R5[2:0]
DIO_R3[2:0]
EX_VPULSE
EX_YPULSE
Bit 5
U
U
U
OPT_FDC[1:0]
EX_RTCT
Bit 4
EW_RX
LCD_MAP[47:40]
LCD_MAP[39:32]
LCD_MAP[31:24]
LCD_MAP[23:16]
U
U
U
LCD_MAP[15:8]
LCD_MAP[7:0]
SFMM[7:0]*
SFMS[7:0]*
EW_PB
Bit 3
U
U
U
U
U
U
U
U
U
OPT_TXE[1:0]
OPT_RXDIS
EX_RTC1M
EW_DIO4
Bit 2
U
DIO_RPB[2:0]
DIO_R10[2:0]
OPT_TXMOD
DIO_R8[2:0]
DIO_R6[2:0]
DIO_R4[2:0]
DIO_R2[2:0]
OPT_RXINV
EW_DIO52
EX_RTC1S
Bit 1
U
†
OPT_TXINV
EW_DIO55
EX_XFER
OPT_BB
Bit 0
U
Rev 2