71M6521BE
Energy Meter IC
DATA SHEET
JANUARY 2008
VREF
V3P3A
GNDA
V3P3SYS
ΔΣ ADC
CONVERTER
IA
VA
IB
VBIAS
V3P3A
MUX
VBIAS
VREF
V3P3D
VBAT
-
VB
+
FIR
ADC_E
VREF
FIR_LEN
VREF_CAL
VREF_DIS
MUX
TEMP
MUX
CTRL
CROSS
EQU
MUX_ALT
CK32
VOLT
REG
CHOP_E
MUX_DIV
X4MHZ
XIN
MCK
PLL
DIV
ADC
32KHz
CK32
OSC
(32KHz)
GNDD
V2P5
LCD_ONLY
SLEEP
32KHz
XOUT
CKADC
4.9MHz
CKTEST/
SEG19
CKOUT_E
CKFIR
4.9MHz
4.9MHz
2.5V to logic
CKOUT_E
V3P3D
CK_GEN
CK_2X
LCD_GEN
VLC2
VLC1
VLC0
ECK_DIS
MPU_DIV
CE RAM
(0.5KB)
LCD_MODE
LCD_E
MUX_SYNC
CKCE
STRT
WPULSE
VARPULSE
RTM
MUX
CE
LCD DISPLAY
DRIVER
<4.9MHz
DATA
00-7F
32 bit Compute
Engine
TEST
TEST
MODE
MEMORY SHARE
COM0..3
SEG0..18
LCD_NUM
LCD_MODE
LCD_CLK
LCD_E
LCD_BLKMAP
LCD_SEG
LCD_Y
PROG
000-1FF
SEG32,33
SEG19,38
CE
CONTROL
1000-11FF
SEG24/DIO4 ..
SEG31/DIO11
RTM_0..3
RTM_E
CE_E
SEG34/DIO14 ..
SEG37/DIO17
DIGITAL I/O
PLS_INV
DIO_EEX
DIO_PV/PW
DIO_DIR
DIO_R
LCD_NUM
DIO
WPULSE
PLS_INTERVAL
PLS_MAXWIDTH
CE_LCTN
EQU
PRE_SAMPS
SUM_CYCLES
VARPULSE
DIO1,2
EEPROM
INTERFACE
PB
CKMPU
<4.9MHz
CONFIGURATION
PARAMETERS
SDCK
SDOUT
SDIN
CONFIG
(I/O RAM)
RX
TX
UART
2000-20FF
DATA
0000-FFFF
MPU
(80515)
0000-07FF
MPU XRAM
(2KB)
OPT_RX/
DIO1
OPTICAL
OPT_TX/
DIO2/
WPULSE/
VARPULSE
0000-
1FFF
OPT_RXDIS
OPT_RXINV
OPT_TXE
OPT_TXINV
OPT_TXMOD
OPT_FDC
FLASH
8KB
PROG
0000-1FFF
MEMORY
SHARE
CE_LCTN
VBIAS
FLSH66ZT
MPU_RSTZ
POWER FAULT
EMULATOR
PORT
WAKE
FAULTZ
V1
TEST
MUX
TMUXOUT
E_RXTX
E_TCLK
E_RST (Open Drain)
COMP_STAT
TMUX[4:0]
February 2, 2007
E_RXTX/SEG38
E_TCLK/SEG33
E_RST/SEG32
RESET
ICE_E
Figure 1: IC Functional Block Diagram
Page: 8 of 97
© 2005-2008 TERIDIAN Semiconductor Corporation
V1.0
TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
