参数资料
型号: 71M6521FE-IMR/F
厂商: Maxim Integrated
文件页数: 79/107页
文件大小: 0K
描述: IC ENERGY METER 32K FLASH 68-QFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
系列: Single Converter Technology®
测量误差: 0.4%
电源电压: 3 V ~ 3.6 V
测量仪表类型: 单相,双相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 64-VFQFN 裸露焊盘
供应商设备封装: 64-QFN(7.5x7.5)
包装: 带卷 (TR)
71M6521DE/DH/FE Data Sheet
MUX_DIV[1:0]
OPT_FDC[1:0]
2002[7:6]
2007[1:0]
0
0
0
0
R/W
R/W
The number of states in the input multiplexer.
00- illegal
01- 4 states 10-3 states 11-2 states
Selects OPT_TX modulation duty cycle
OPT_FDC
00
01
10
11
Function
50% Low
25% Low
12.5% Low
6.25% Low
OPT_RXDIS
OPT_RXINV
OPT_TXE[1,0]
OPT_TXINV
OPT_TXMOD
PLL_OK
PLS_MAXWIDTH
[7:0]
PLS_INTERVAL
[7:0]
PLS_INV
PREBOOT
PRE_SAMPS[1:0]
RTC_SEC[5:0]
RTC_MIN[5:0]
RTC_HR[4:0]
RTC_DAY[2:0]
RTC_DATE[4:0]
RTC_MO[3:0]
RTC_YR[7:0]
2008[5]
2008[4]
2007[7,6]
2008[0]
2008[1]
2003[6]
2080[7:0]
2081[7:0]
2004[6]
SFRB2[7]
2001[7:6]
2015
2016
2017
2018
2019
201A
201B
0
0
00
0
0
0
FF
0
0
--
0
--
--
--
--
--
--
--
0
0
00
0
0
0
FF
0
0
--
0
--
--
--
--
--
--
--
R/W
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
OPT_RX can be configured as an analog input to the optical UART
comparator or as a digital input/output, DIO1.
0—OPT_RX, 1—DIO1.
Inverts result from OPT_RX comparator when 1. Affects only the
UART input. Has no effect when OPT_RX is used as a DIO input.
Configures the OPT_TX output pin.
00—OPT_TX, 01—DIO2, 10—WPULSE, 11—VARPULSE
Invert OPT_TX when 1. This inversion occurs before modulation.
Enables modulation of OPT_TX. When OPT_TXMOD is set,
OPT_TX is modulated when it would otherwise have been zero.
The modulation is applied after any inversion caused by
OPT_TXINV .
Indicates that system power is present and the clock generation PLL
is settled.
Determines the maximum width of the pulse (low going pulse).
Maximum pulse width is (2*PLS_MAXWIDTH + 1)*T I . Where T I is
PLS_INTERVAL . If PLS_INTERVAL =0, T I is the sample time (397μs).
If 255, disable MAXWIDTH .
If the FIFO is used, PLS_INTERVAL must be set to 81. If
PLS_INTERVAL = 0, the FIFO is not used and pulses are output as
soon as the CE issues them.
Inverts the polarity of WPULSE and VARPULSE. Normally, these
pulses are active low. When inverted, they become active high.
Indicates that preboot sequence is active.
The duration of the pre-summer, in samples.
00-42, 01-50, 10-84, 11-100.
The RTC interface. These are the ‘year’, ‘month’, ‘day’, ‘hour’,
‘minute’ and ‘second’ parameters of the RTC. The RTC is set by
writing to these registers. Year 00 and all others divisible by 4 are
defined as leap years.
SEC 00 to 59
MIN 00 to 59
HR 00 to 23 (00=Midnight)
DAY 01 to 07 (01=Sunday)
DATE 01 to 31
MO 01 to 12
YR 00 to 99
Each write to one of these registers must be preceded by a write to
201F ( WE ).
Rev 3
Page: 79 of 107
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