71m6521be Maxim Integrated Products, Inc., 71m6521be Datasheet - Page 52

• Manufacturer Part Number: 71m6521be
• Description: Energy Meter Ic
• Manufacturer: Maxim Integrated Products, Inc.

Page: 52 of 97
VARPULSE
WPULSE/
CKTEST/
X4MHZ
OPT_RX/
OPT_TX/
SEG19
XOUT
TEST
DIO2/
DIO1
XIN
V A
VB
RX
V1
TX
IA
IB
CKOUT_E
TEMP
VBAT
OPT_TXMOD
OPT_FDC
Figure 19: Functional Blocks in BROWNOUT Mode (inactive blocks grayed out)
TEST
MODE
VBIAS
MOD
COMP_STAT
EQU
MUX_ALT
CHOP_E
MUX_DIV
CK_GEN
ECK_DIS
MPU_DIV
POWER FAULT
CTRL
MUX
MUX
(32KHz)
UART
OSC
MUX
OPT_RXDIS
OPT_RXINV
OPT_TXE
OPT_TXINV
PLS_INV
PLS_INTERVAL
PLS_MAXWIDTH
CE_LCTN
EQU
PRE_SAMPS
SUM_CYCLES
OPTICAL
4.9MHz
CONTROL
<4.9MHz
CROSS
CE
CK32
CKCE
CKMPU
<4.9MHz
MUX_SYNC
CK_2X
32KHz
VREF_CAL
VREF_DIS
WAKE
VBIAS
VREF
FAULTZ
© 2005-2008 TERIDIAN Semiconductor Corporation
STRT
RTM_0..3
RTM_E
CE_E
32 bit Compute
CKOUT_E
RESET
VREF
(80515)
MCK
MPU
PLL
Engine
CE
MPU_RSTZ
V3P3A
32KHz
VBIAS
CK32
4.9MHz
SDOUT
SDCK
SDIN
WPULSE
VARPULSE
RTM
CKADC
000-7FF
DATA
00-7F
PROG
+
-
VREF
ADC
DIV
E_RXTX/SEG38
E_TCLK/SEG33
E_RST/SEG32
INTERFACE
0000-FFFF
CONVERTER
0000-1FFF
ADC_E
EEPROM
PROG
DATA
ΔΣ ADC
EMULATOR
4.9MHz
PORT
CE_LCTN
MEMORY
SHARE
CKFIR
E_RXTX
E_TCLK
E_RST (Open Drain)
1000-11FF
2000-20FF
0000-07FF
FIR_LEN
CE RAM
(0.5KB)
VARPULSE
FIR
0000-
1FFF
MEMORY SHARE
WPULSE
MUX
V3P3A
FLSH66ZT
MPU XRAM
ICE_E
FLASH
(2KB)
(8KB)
Energy Meter IC
GNDA
V3P3D
LCD_CLK
LCD_E
LCD_BLKMAP
LCD DISPLAY
LCD_NUM
LCD_MODE
LCD_SEG
LCD_Y
DIO_PV/PW
DIO_DIR
LCD_NUM
DIO
DIO_EEX
DIO_R
(I/O RAM)
LCD_E
LCD_MODE
CONFIG
LCD_GEN
DRIVER
DIGITAL I/O
VBAT
2.5V to logic
LCD_ONLY
SLEEP
V3P3SYS
CONFIGURATION
VOLT
PARAMETERS
REG
TMUX[4:0]
February 2, 2007
71M6521BE
VLC2
VLC1
VLC0
TEST
MUX
SEG32,33
SEG19,38
DATA SHEET
V3P3D
DIO1,2
V3P3D
VBAT
GNDD
V2P5
COM0..3
SEG0..18
SEG24/DIO4 ..
SEG34/DIO14 ..
PB
TMUXOUT
SEG31/DIO11
SEG37/DIO17
JANUARY 2008
V1.0