71M6403
Electronic Trip Unit
SEPTEMBER 2006
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:
CE_EN
TMUX[3:0]
SUM_CYCLES[5:0]
CE0
CE1
CE2
2000
2001
2002
EQU 1
PRE_SAMPS[1:0]
MUX_DIV[1:0]
CHOP_EN[1:0]
RTM_EN
COMP_INT[1:0]
VREF_DIS
ADC_DIS
VERSION[7:0]
WD_OVF
MUX_ALT
DIO_FLT
EX_ZP8
COMP_STAT[2:0]
MPU_DIV
EX_XFR
MUX_E
COMP0 2003
CONFIG0 2004
CONFIG1 2005
VERSION 2006
VREF_CAL
RESERVED
RESERVED
ECK_DIS
Reserved 2
FIR_LEN
FLASH66Z
Digital I/O:
OPT_TXDIS
DIO_R1[2:0]
DIO_R3[2:0]
DIO_R5[2:0]
DIO_R7[2:0]
DIO_R9[2:0]
DIO_R11[2:0]
DIO_EEX
DIO_STR
DIO0
DIO1
DIO2
DIO3
DIO4
DIO5
DIO6
2008
2009
200A
200B
200C
200D
200E
DIO_R0[2:0]
DIO_R2[2:0]
DIO_R4[2:0]
DIO_R6[2:0]
DIO_R8[2:0]
DIO_R10[2:0]
LCD Display Interface:
LCD_BSTEN
LCD_NUM[4:0]
LCD_MODE[2:0]
LCD_FS[4:0]
LCD_SEG0[3:0]
LCDX
LCDY
LCDZ
LCD0
LCD1
LCD2
LCD3
…
2020
2021
2022
2030
2031
2032
2033
…
LCD_EN
LCD_CLK[1:0]
LCD_SEG1[3:0]
LCD_SEG2[3:0]
LCD_SEG3[3:0]
…
LCD_SEG39[3:0]
LCD_SEG40[3:0]
LCD_SEG41[3:0]
…
LCD39
LCD40
LCD41
2057
2058
2059
Note 1: Set EQU = 101.
Note 2: Set bit 2004:4 to 0.
Page: 50 of 75
© 2006 TERIDIAN Semiconductor Corporation
REV 1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
