71M6531F-IM/F Maxim Integrated Products, 71M6531F-IM/F Datasheet - Page 8

• Manufacturer Part Number: 71M6531F-IM/F
• Description: IC ENERGY METER 256KB 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 71M6531F-IM/F

• Mounting Style: SMD/SMT
• Package / Case: QFN-68
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Data Sheet 71M6531D/F-71M6532D/F
8
XOUT
TEST
XIN
VA
VB
RX
TX
V1
PB
IA
IB
VBAT
SENSOR
TEMP
TEST
MODE
UART1
2.5V_NV
RTCA_ADJ
PB
EQU
MUX_ALT
MUX_DIV
(32KHz)
2.5V_NV
POWER FAULT
OSC
MUX
RST_SUBSEC
QREG
PREG
RTC_DAY
RTC_HR
RTC_MIN
RTC_SEC
RTCLK (32KHz)
VREF_CAL
VREF_DIS
© 2005-2010 TERIDIAN Semiconductor Corporation
FAULTZ
Figure 1: 71M6531D/F IC Functional Block Diagram
VBIAS
VREF
RTC
VADC
RTC_DATE
RTC_MO
RTC_YR
VREF
RESET
CKOUT_E
MPU
MCK
PLL
CONVERTER
ADC_E
VREF
VBIAS
∆Σ ADC
FIR_LEN
8
FIR
CK_MPU
CK_CE
XRAM BUS
IRAM
256B
8
IRAM BUS
8
22
PLS_INV
PLS_INTERVAL
PLS_MAXWIDTH
CE_LCTN
EQU
PRE_SAMPS
SUM_CYCLES
RTM_0..3
RTM_E
CE_E
16
FLASH
128KB/
256KB
GNDD
CE_PROG
CE
LCD DISPLAY
EMULATOR
LCD_DAC
LCD_MODE
LCD_CLK
LCD_E
LCD_BLKMAP
LCD_SEG
LCD_Y
DIO_DIR
DIO_R
DIO
PCMD
EEDATA
EECTRL
UART2--OPTICAL
OPT_RXDIS
OPT_RXINV
OPT_TXE
OPT_TXINV
OPT_TXMOD
OPT_FDC
GP0-GP7
CE_DATA
ICE_E
ICE_E
DRIVER
DIGITAL I/O
GNDA
(ICE)
SPI SLAVE
EEPROM
NVRAM
WPULSE
RPULSE
XPULSE
YPULSE
32
XRAM
RTM
4kB
SEG...
V3P3A
E_RXTX
E_TCLK
E_RSTZ
4
COM0..3
to TMUX
OPT_TX
DIO...
CKTEST
SDATA
SCLK
PCSZ
PCLK
PSI
PSO
OPT_RX
2.5V_NV
V3P3SYS
2.5V_NV
LCD_ONLY
SLEEP
DIO_PV
DIO_PW
DIO_PX
DIO_PY
SPE
DIO_EEX
OPT_TXE
MUX_SYNC_E
VOLT
PURPOSE
REG
CKOUT_E
TMUX[4:0]
MULTI-
05/26/2010
TEST
2.5V to logic
MUX
IO
4
FDS 6531/6532 005
V3P3D
VBAT
V2P5
DIO46/SEG66
DIO45/SEG65
DIO44/SEG64
DIO43/SEG63
DIO29/SEG49
DIO28/SEG48
DIO17/SEG37
DIO15/SEG35
DIO14/SEG34
DIO13/SEG33
DIO12/SEG32
DIO11/SEG31
DIO10/SEG30
COM0...3
DIO9/SEG29/YPULSE
DIO8/SEG28/XPULSE
DIO7/SEG27/RPULSE
DIO6/SEG26/WPULSE
DIO5/SEG25/SDATA
DIO4/SEG24/SDCK
SEG19/CKTEST
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11/E_RST
SEG10/E_TCLK
SEG9/E_RXTX
SEG8
SEG7/MUX_SYNC
SEG6/PSDI
SEG5/PCSZ
SEG4/PSDO
SEG3/PCLK
SEG2
SEG1
SEG0
DIO2/OPT_TX/WPULSE/RPULSE
DIO1/OPT_RX
TMUXOUT
v1.3