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ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - power monitoring Single phase, Two-phase QFN 64 Surface-mount
71727374757677787980
71M6521DE/DH/FE Data Sheet
Rev 3 Page: 73 of 107
FIRMWARE INTERFACE
I/O RAM MAP – In Numerical Order
‘Not Used’ bits are grayed out, contain no memory and are read by the MPU as zero. RESERVED bits may be in use
and should not be changed. This table lists only the SFR registers that are not generic 8051 SFR registers.
Name Addr
Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Configuration:
CE0
2000
EQU[2:0]
CE_E
Reserved
CE1
2001
PRE_SAMPS[1:0]
SUM_CYCLES[5:0]
CE2
2002
MUX_DIV[1:0]
CHOP_E[1:0]
RTM_E
WD_OVF
EX_RTC
EX_XFR
COMP0
2003
Not Used
PLL_OK
Not Used
Reserved
Reserved
Reserved
COMP_STAT[0]
CONFIG0
2004
VREF_CAL
PLS_INV
CKOUT_E[1:0]
VREF_DIS
MPU_DIV[2:0]
CONFIG1
2005
Reserved
Reserved
ECK_DIS
FIR_LEN
ADC_E
MUX_ALT
FLSH66Z
Reserved
VERSION
2006
VERSION[7:0]
CONFIG2
2007
OPT_TXE[1:0]
EX_PLL
EX_FWCOL
Reserved
OPT_FDC[1:0]
CE3
20A8
Not Used
Not Used
Not Used
CE_LCTN[4:0]
WAKE
20A9
WAKE_ARM
SLEEP
LCD_ONLY
Not Used
WAKE_RES
WAKE_PRD[2:0]
TMUX
20AA
Not Used
Not Used
Not Used
TMUX[4:0]
Digital I/O:
DIO0
2008
DIO_EEX[1:0]
OPT_RXDIS
OPT_RXINV
DIO_PW
DIO_PV
OPT_TXMOD
OPT_TXINV
DIO1
2009
Not Used
DIO_R1[2:0]
Not Used
DI_RPB[2:0]
DIO2
200A
Not Used
Reserved
Not Used
DIO_R2[2:0]
DIO3
200B
Not Used
DIO_R5[2:0]
Not Used
DIO_R4[2:0]
DIO4
200C
Not Used
DIO_R7[2:0]
Not Used
DIO_R6[2:0]
DIO5
200D
Not Used
DIO_R9[2:0]
Not Used
DIO_R8[2:0]
DIO6
200E
Not Used
DIO_R11[2:0]
Not Used
DIO_R10[2:0]
Real Time Clock:
RTC0
2015
Not Used
Not Used
RTC_SEC[5:0]
RTC1
2016
Not Used
Not Used
RTC_MIN[5:0]
RTC2
2017
Not Used
Not Used
Not Used
RTC_HR[4:0]
RTC3
2018
Not Used
Not Used
Not Used
Not Used
Not Used
RTC_DAY[2:0]
RTC4
2019
Not Used
Not Used
Not Used
RTC_DATE[2:0]
RTC5
201A
Not Used
Not Used
Not Used
Not Used
RTC_MO[3:0]
RTC6
201B
RTC_YR[7:0]
RTC7
201C
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
RTC_DEC_SEC
RTC_INC_SEC
WE
201F
Write enable for RTC
LCD Display Interface:
LCDX
2020
Not Used
BME
Reserved
LCD_NUM[4:0]
LCDY
2021
Not Used
LCD_Y
LCD_E
LCD_MODE[2:0]
LCD_CLK[1:0]
LCDZ
2022
Not Used
Not Used
Not Used
Reserved
LCD0
2030
Not Used
LCD_SEG0[3:0]
…
…
Not Used
…
LCD19
2043
Not Used
LCD_SEG19[3:0]
LCD24
2048
Not Used
LCD_SEG24[3:0]
…
…
Not Used
…
LCD38
2056
Not Used
LCD_SEG38[3:0]
LCD_BLNK
205A
LCD_BLKMAP19[3:0]
LCD_BLKMAP18[3:0]