78M6612 Data Sheet
DS_6612_001
4 Firmware Interface
4.1 I/O RAM Map
‘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.
Table 48: I/O RAM Map – In Numerical Order
Name Addr
Configuration:
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
CE0
CE1
CE2
2000
2001
2002
EQU[2:0]
CE_E
Reserved
SUM_CYCLES[5:0]
RTM_E WD_OVF
Reserved
PRE_SAMPS[1:0]
MUX_DIV[1:0]
CHOP_E[1:0]
Not Used
CKOUT_E[1:0]
EX_RTC
EX_XFR
COMP0 2003 Not Used
PLL_OK
Reserved Reserved COMP_STAT[0]
CONFIG0 2004 VREF_CAL PLS_INV
VREF_DIS
ADC_E
MPU_DIV[2:0]
CONFIG1 2005 Reserved Reserved ECK_DIS
FIR_LEN
MUX_ALT
FLSH66Z
Reserved
VERSION 2006
VERSION[7:0]
EX_PLL EX_FWCOL
20A8 Not Used Not Used Not Used
CONFIG2 2007
TX1E[1:0]
Reserved
CE_LCTN[4:0]
WAKE_PRD[2:0]
TMUX[4:0]
OPT_FDC[1:0]
CE3
WAKE 20A9 WAKE_ARM
SLEEP
LCD_ONLY Not Used WAKE_RES
TMUX 20AA Not Used Not Used Not Used
Digital I/O:
TX1MOD
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
DIO6
2008
DIO_EEX[1:0]
RX1DIS
RX1INV
DIO_PW
Not Used
Not Used
Not Used
Not Used
Not Used
Not Used
DIO_PV
TX1INV
2009 Not Used
200A Not Used
200B Not Used
200C Not Used
200D Not Used
200E Not Used
DIO_R1[2:0]
DIO_R3[2:0]*
DIO_R5[2:0]
DIO_R7[2:0]
DIO_R9[2:0]
DIO_R11[2:0]
Reserved (000)
DIO_R2[2:0]
DIO_R4[2:0]
DIO_R6[2:0]
DIO_R8[2:0]
DIO_R10[2:0]
Real Time Clock:
RTC0 2015 Not Used Not Used
RTC1 2016 Not Used Not Used
RTC_SEC[5:0]
RTC_MIN[5:0]
RTC_HR[4:0]
RTC_DAY[2:0]
RTC_DATE[4:0]
RTC_MO[3:0]
RTC_YR[7:0]
RTC2 2017 Not Used Not Used Not Used
RTC3 2018 Not Used Not Used Not Used Not Used Not Used
RTC4 2019 Not Used Not Used Not Used
RTC5 201A Not Used Not Used Not Used Not Used
RTC6 201B
RTC_DEC_SEC RTC_INC_SEC
RTC7 201C Not Used Not Used Not Used Not Used Not Used Not Used
WE
201F
Write enable for RTC
LCD Display Interface:
LCDX 2020 Not Used
LCDY 2021 Not Used
BME
Reserved
LCD_NUM[4:0]
LCD_Y
LCD_E
LCD_MODE[2:0]
LCD_CLK[1:0]
LCDZ 2022 Not Used Not Used Not Used
LCD0 2030 Not Used
Reserved
LCD_SEG0[3:0]
74
Rev. 1.2
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
