71M6541F Maxim, 71M6541F Datasheet - Page 108

• 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
108
NV BITS
RESERVED
RESERVED
LCD_MAP4
LCD_MAP3
LCD_MAP2
LCD_MAP1
LCD_MAP0
SEGDIO15
SEGDIO16
SEGDIO45
SEGDIO46
SEGDIO50
SEGDIO51
SEGDIO55
LCD_DAC
SEGDIO0
DIO_R5
DIO_R4
DIO_R3
DIO_R2
DIO_R1
DIO_R0
TMUX
Name
LCD4
DIO0
DIO1
DIO2
…
…
…
…
240C
240D
243D
Addr
2407
2408
2409
240A
240B
2410
241F
2420
243E
2442
2443
2447
2450
2451
2452
2453
2454
2455
2456
2457
2458
2500
2501
2502
…
…
…
…
DIO_PW
DIO_PX
Bit 7
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
DIO_EEX[1:0]
DIO_PV
DIO_PY
Bit 6
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
DIO_R11[2:0]
DIO_R9[2:0]
DIO_R7[2:0]
DIO_R5[2:0]
DIO_R3[2:0]
Bit 5
U
U
U
U
U
U
R
OPT_FDC[1:0]
Bit 4
LCD_MAP[39:32]
LCD_MAP[31:24]
LCD_MAP[23:16]
U
U
U
U
U
U
LCD_MAP[15:8]
LCD_MAP[7:0]
LCD_SEGDIO16[5:0]
LCD_SEGDIO45[5:0]
LCD_SEGDIO51[5:0]
LCD_SEGDIO55[5:0]
Bit 3
U
U
U
U
U
U
U
U
U
U
LCD_SEG15[5:0]
LCD_SEG46[5:0]
LCD_SEG50[5:0]
R
LCD_SEG0[5:0]
OPT_TXE[1:0]
TMUX[5:0]
…
…
…
…
LCD_DAC[4:0]
OPT_RXDIS
LCD_RST
Bit 2
U
U
R
DIO_RPB[2:0]
DIO_R10[2:0]
OPT_TXMOD
LCD_BLANK
DIO_R8[2:0]
DIO_R6[2:0]
DIO_R4[2:0]
DIO_R2[2:0]
OPT_RXINV
Bit 1
U
U
R
OPT_TXINV
LCD_ON
OPT_BB
Bit 0
U
U
R
Rev 2