71M6531D_10 Datasheet, PDF (8/120 Pages) Teridian Semiconductor Corporation – Energy Meter IC

Data Sheet 71M6531D/F-71M6532D/F
VREF
GNDD GNDA V3P3A V3P3SYS
FDS 6531/6532 005
IA
VA
IB
VB
XIN
XOUT
TEST
MUX
VBAT
EQU
MUX_ALT
MUX_DIV
2.5V_NV
OSC
(32KHz)
RTCA_ADJ
2.5V_NV
TEMP
SENSOR
TEST
MODE
VBIAS
VADC
VREF
VREF_CAL
VREF_DIS
∆Σ ADC
CONVERTER
VBIAS
FIR
FIR_LEN ₂₂
ADC_E
VREF
RTCLK (32KHz)
MCK
PLL
CKOUT_E
CK_CE
CK_MPU
CE
RTM
PLS_INV
PLS_INTERVAL
PLS_MAXWIDTH
CE_LCTN
EQU
PRE_SAMPS
SUM_CYCLES
RTM_0..3
RTM_E
CE_E
RPULSE
WPULSE
XPULSE
YPULSE
CE_PROG
32
16
CE_DATA
FLASH
128KB/
256KB
XRAM
4kB
to TMUX
VOLT
REG
LCD_ONLY
SLEEP
2.5V to logic
2.5V_NV
DIO_PV
DIO_PW
DIO_PX
DIO_PY
RTC
RST_SUBSEC
QREG
PREG
RTC_DAY
RTC_HR
RTC_MIN
RTC_SEC
RTC_DATE
RTC_MO
RTC_YR
XRAM BUS
8
MPU
CKTEST
CKOUT_E
MULTI-
PURPOSE
IO
LCD DISPLAY
DRIVER
LCD_DAC
LCD_MODE
LCD_CLK
COM0..3
LCD_E
4
4
LCD_BLKMAP
LCD_SEG
LCD_Y
SEG...
RX
UART1
TX
PB
PB
DIGITAL I/O
DIO_DIR
DIO_R
DIO
DIO...
SPI SLAVE
PCSZ
PCLK
8
PSI
SPE
PCMD
PSO
EEPROM
EEDATA
EECTRL
SDATA
SCLK
DIO_EEX
UART2--OPTICAL
OPT_RXDIS
OPT_TX
OPT_RXINV
OPT_TXE
OPT_RX
OPT_TXINV
OPT_TXMOD
OPT_FDC
OPT_TXE
MUX_SYNC_E
NVRAM
GP0-GP7
2.5V_NV
V1
POWER FAULT
FAULTZ
IRAM BUS
8
IRAM
256B
EMULATOR
(ICE)
E_RXTX
E_TCLK
E_RSTZ
ICE_E
TEST
MUX
TMUX[4:0]
RESET
ICE_E
05/26/2010
Figure 1: 71M6531D/F IC Functional Block Diagram
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
8
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