Datasheet

71M6511/71M6511H
Single-Phase Energy Meter IC
DATA SHEET
NOVEMBER 2010
Page: 57 of 98 © 2005–2010 Teridian Semiconductor Corporation V2.7
A Maxim Integrated Products Brand
FIRMWARE INTERFACE
I/O RAM MAP – In Numerical Order
‘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.
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_EN
TMUX[3:0]
CE1
2001
PRE_SAMPS[1:0] SUM_CYCLES[5:0]
CE2
2002
MUX_DIV[1:0] CHOP_EN[1:0] RTM_EN WD_OVF EX_RTC EX_XFR
COMP0
2003
RESERVED
RESERVED
COMP_STAT[0]
CONFIG0
2004
VREF_CAL
RESERVED
CKOUT_DIS VREF_DIS MPU_DIV
CONFIG1
2005
RESERVED
ECK_DIS FIR_LEN ADC_DIS MUX_ALT FLASH66Z MUX_E
VERSION
2006
VERSION[7:0]
Digital I/O:
DIO0
2008
OPT_TXDIS
DIO_EEX
DIO_PW
DIO_PV
DIO1
2009
RESERVED RESERVED
DIO2
200A
RESERVED RESERVED
DIO3
200B
DIO_R5[2:0] DIO_R4[2:0]
DIO4
200C
DIO_R7[2:0] DIO_R6[2:0]
DIO5
200D
DIO_R9[2:0] DIO_R8[2:0]
DIO6
200E
DIO_R11[2:0] DIO_R10[2:0]
Real Time Clock:
RTC0
2015
RTC_SEC[5:0]
RTC1
2016
RTC_MIN[5:0]
RTC2
2017
RTC_HR[4:0]
RTC3
2018
RTC_DAY[2:0]
RTC4
2019
RTC_DATE[4:0]
RTC5
201A
RTC_MO[3:0]
RTC6
201B
RTC_YR[7:0]
RTC7
201C
RTC_DEC_SEC RTC_INC_SEC
LCD Display Interface:
LCDX
2020
LCD_BSTEN LCD_NUM[4:0]
LCDY
2021
LCD_EN
LCD_MODE[2:0]
LCD_CLK[1:0]
LCDZ
2022
LCD_FS[4:0]
LCD0
2030
LCD_SEG0[3:0]
LCD1
2031
LCD_SEG1[3:0]
…
…
…
LCD19
2043
LCD_SEG19[3:0]
LCD20
2044
RESERVED
…
…
…
LCD23
2047
RESERVED
LCD24
2048
LCD_SEG24[3:0]
…
…
…
LCD31
204F
LCD_SEG31[3:0]
LCD32
2050
LCD_SEG32[3:0]
LCD33
2051
LCD_SEG33[3:0]
LCD34
2052
LCD_SEG34[3:0]
LCD35
2053
LCD_SEG35[3:0]
LCD36
2054
LCD_SEG36[3:0]
LCD37
2055
LCD_SEG37[3:0]