71M6521DE-IM/F Maxim Integrated Products, 71M6521DE-IM/F Datasheet - Page 54

• Manufacturer Part Number: 71M6521DE-IM/F
• Description: IC ENERGY METER 16K FLASH 68-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 71M6521DE-IM/F

• Mounting Style: SMD/SMT
• Package / Case: QFN-68
• Program Memory Size: 16 KB
• Program Memory Type: Flash
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Page: 54 of 107
VARPULSE
WPULSE/
CKTEST/
X4MHZ
OPT_RX/
OPT_TX/
SEG19
XOUT
TEST
DIO2/
DIO1
XIN
V A
VB
RX
TX
V1
IA
IB
CKOUT_E
TEMP
VBAT
OPT_TXMOD
OPT_FDC
VBIAS
TEST
MODE
MOD
COMP_STAT
MUX_ALT
CK_GEN
ECK_DIS
POWER FAULT
EQU
CHOP_E
MUX_DIV
MPU_DIV
CTRL
MUX
MUX
(32KHz)
Figure 20: Functional Blocks in LCD Mode (inactive blocks grayed out)
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
RTCLK (32KHz)
CROSS
CE
CK32
CKCE
<4.9MHz
MUX_SYNC
CKMPU
CK_2X
VREF_CAL
VREF_DIS
WAKE
VBIAS
VREF
FAULTZ
STRT
RTM_0..3
RTM_E
CE_E
32 bit Compute
CKOUT_E
RESET
VREF
(8051)
MCK
MPU
PLL
Engine
MPU_RSTZ
CE
V3P3A
VBIAS
32KHz
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
CONVERTER
INTERFACE
0000-FFFF
0000-7FFF
ADC_E
EEPROM
PROG
DATA
∆Σ ADC
EMULATOR
4.9MHz
CE_LCTN
PORT
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-
7FFF
MEMORY SHARE
WPULSE
MUX
V3P3A
FLSH66ZT
ICE_E
MPU XRAM
(16/32KB)
FLASH
(2KB)
GNDA
V3P3D
RTC_DEC_SEC
RTC_INC_SEC
LCD DISPLAY
LCD_NUM
LCD_CLK
LCD_E
LCD_BLKMAP
LCD_SEG
LCD_Y
LCD_NUM
LCD_MODE
DIO_EEX
DIO_PV/PW
DIO_DIR
DIO_R
DIO
LCD_E
LCD_MODE
CONFIG
71M6521DE/DH/FE Data Sheet
LCD_GEN
DRIVER
DIGITAL I/O
VBAT
RTC
2.5V to logic
LCD_ONLY
SLEEP
V3P3SYS
CONFIGURATION
December 11, 2006
VOLT
PARAMETERS
REG
TMUX[4:0]
VLC2
VLC1
VLC0
TEST
MUX
SEG32,33
SEG19,38
RTCLK
V3P3D
DIO1,2
(68 Pin Package Only)
V3P3D
VBAT
GNDD
V2P5
COM0..3
SEG0..18
SEG24/DIO4 ..
SEG34/DIO14 ..
PB
DIO3,
DIO19/SEG39,
DIO20/SEG40,
DIO21/SEG41
TMUXOUT
SEG31/DIO11
SEG37/DIO17
Rev 2