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| 型号： | ADE7166ASTZF16 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 118/152页 |
| 文件大小： | 0K |
| 描述： | IC ENERGY METER 1PHASE 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 |
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ADE7116/ADE7156/ADE7166/ADE7169/ADE7566/ADE7569
Mode 2 (8-Bit Timer/Counter with Autoreload)
Mode 2 configures the timer register as an 8-bit counter (TL0)
with automatic reload as shown in Figure 99. Overflow from TL0
not only sets TF0 but also reloads TL0 with the contents of TH0,
which is preset by software. The reload leaves TH0 unchanged.
f CORE
TIMER 2
Timer/Counter 2 Data Registers
Timer/Counter 2 also has two pairs of 8-bit data registers
associated with it: Timer 2 high byte SFR (TH2, Address 0xCD),
Timer 2 low byte SFR (TL2, Address 0xCC), Timer 2 reload/
capture high byte SFR (RCAP2H, Address 0xCB), and Timer 2
C/T = 0
C/T = 1
TL0
(8 BITS)
TF0
INTERRUPT
reload/capture low byte SFR (RCAP2L, Address 0xCA). These
are used both as timer data registers and as timer capture/reload
registers (see Table 120 to Table 123).
P0.6/T0
Timer/Counter 2 Operating Modes
GATE
INT0
TR0
CONTROL
RELOAD
TH0
(8 BITS)
Figure 99. Timer/Counter 0, Mode 2
The following sections describe the operating modes for
Timer/Counter 2. The operating modes are selected by bits in
the Timer/Counter 2 control SFR (T2CON, Address 0xC8), as
shown in Table 115 and Table 124.
Table 124. T2CON Operating Modes
Mode 3 (Two 8-Bit Timer/Counters)
Mode 3 has different effects on Timer 0 and Timer 1. Timer 1 in
Mode 3 simply holds its count. The effect is the same as setting
TR1 = 0. Timer 0 in Mode 3 establishes TL0 and TH0 as two
separate counters. This configuration is shown in Figure 100.
RCLK (or) TCLK
0
0
1
X
CAP2
0
1
X
X
TR2
1
1
1
0
Mode
16-bit autoreload
16-bit capture
Baud rate
Off
TL0 uses the Timer 0 control bits, C/T, Gate0 (see Table 113 ),
TR0 and TF0 (see Table 114 ), and the INT0 pin. TH0 is locked
into a timer function (counting machine cycles) and takes over
the use of TR1 and TF1 from Timer 1. Therefore, TH0 controls the
Timer 1 interrupt. Mode 3 is provided for applications requiring
an extra 8-bit timer or counter.
When Timer 0 is in Mode 3, Timer 1 can be turned on and off
by switching it out of and into its own Mode 3, or it can be used
by the serial interface as a baud rate generator. In fact, Timer 1
can be used in any application not requiring an interrupt from
Timer 1 itself.
16-Bit Autoreload Mode
The 16-bit autoreload mode has two options that are selected by
EXEN2 (Bit 3) in the Timer/Counter 2 control SFR (T2CON,
Address 0xC8). If EXEN2 = 0 when Timer 2 rolls over, it not
only sets TF2 but also causes the Timer 2 SFRs to be reloaded
with the 16-bit value in both the Timer 2 reload/capture high byte
SFR (RCAP2H, Address 0xCB) and Timer 2 reload/capture low
byte SFR (RCAP2L, Address 0xCA) registers, which are preset
by software. If EXEN2 = 1, Timer 2 performs the same events as
when EXEN2 = 0 but adds a 1-to-0 transition at the external
input, T2EX, which triggers the 16-bit reload and sets EXF2.
f CORE
C/T = 0
CORE
CLK/12
TL0
(8 BITS)
TF0
INTERRUPT
Autoreload mode is shown in Figure 101.
16-Bit Capture Mode
The 16-bit capture mode has two options that are selected by
P0.6/T0
C/T = 1
EXEN2 (Bit 3) in the Timer/Counter 2 control SFR (T2CON,
Address 0xC8). If EXEN2 = 0, Timer 2 is a 16-bit timer or
GATE
INT 0
TR0
CONTROL
counter that, upon overflowing, sets the Timer 2 overflow bit
(TF2, Bit 7). This bit can be used to generate an interrupt. If
EXEN2 = 1, then Timer 2 performs the same events as when
EXEN2 = 0, but it adds a l-to-0 transition on the T2E external
input, causing the current value in the Timer 2 SFRs, TL2
(Address 0xCC) and TH2 (Address 0xCD), to be captured into
f CORE /12
TH0
(8 BITS)
TF1
INTERRUPT
the RCAP2L (Address 0xCA) and RCAP2H (Address 0xCB)
SFRs, respectively. In addition, the transition at T2EX causes the
TR1
Figure 100. Timer/Counter 0, Mode 3
EXF2 bit (Bit 6) in the T2CON SFR (Address 0xC8) to be set,
and EXF2, like TF2, can generate an interrupt. Capture mode is
shown in Figure 102. The baud rate generator mode is selected
by RCLK = 1 and/or TCLK = 1.
Rev. B | Page 118 of 152
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| ADE7166ASTZF16-RL | 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7166ASTZF8 | 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7166ASTZF8-RL | 功能描述:IC ENERGY METER 1PHASE 64LQFP RoHS:是 类别:集成电路 (IC) >> PMIC - 能量测量 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:* |
| ADE7169 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver |
| ADE7169ACPF16 | 制造商:AD 制造商全称:Analog Devices 功能描述:Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver |
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