参数资料
型号: ADE7569ASTZF16
厂商: Analog Devices Inc
文件页数: 107/136页
文件大小: 0K
描述: IC ENERGY METER MCU 16K 64LQFP
标准包装: 1
输入阻抗: *
测量误差: *
电压 - 高输入/输出: *
电压 - 低输入/输出: *
电流 - 电源: *
电源电压: *
测量仪表类型: *
工作温度: *
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘

Preliminary Technical Data
REAL TIME CLOCK
ADE7566/ADE7569
The ADE7566/ADE7569 have an embedded real time clock
32.768kHz
CRYSTAL
RTCCOMP
TEMPCAL
(RTC) as shown in Figure 88. The external 32.768 kHz crystal is
used as the clock source for the RTC. Calibration is provided to
compensate the nominal crystal frequency and for variations in
the external crystal frequency over temperature. By default, the
CALIBRATED
32.768kHz
RTCEN
CALIBRATION
RTC is maintained active in all power-saving modes. The RTC
counters retain their values through watchdog resets and
external resets. They are only reset during a power-on reset.
8-BIT
PRESCALER
HUNDREDTHS COUNTER
HTHSEC
ITS1
ITS0
SECOND COUNTER
SEC
MINUTE COUNTER
MIN
HOUR COUNTER
HOUR
8-BIT
INTERVAL COUNTER
INTERVAL
TIMEBASE
SELECTION
MUX
MIDNIGHT EVENT
EQUAL?
ITEN
ALARM
EVENT
INTVAL SFR
Figure 88. RTC Implementation
RTC SFR REGISTER LIST
Table 115. Real Time Clock SFR
SFR
TIMECON
HTHSEC
SEC
MIN
HOUR
INTVAL
RTCCOMP
TEMPCAL
Address
0xA1
0xA2
0xA3
0xA4
0xA5
0xA6
0xF6
0xF7
Bit Addressable
No
No
No
No
No
No
No
No
Description
RTC Configuration (see Table 116).
Hundredths of a Second Counter (see Table 117).
Seconds Counter (see Table 118).
Minutes Counter (see Table 119).
Hours Counter (see Table 120).
Alarm Interval (see Table 121).
RTC Nominal Compensation (see Table 122).
RTC Temperature Compensation (see Table 123).
Rev. PrA | Page 107 of 136
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