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参数资料
| 型号： | ADE7569ASTZF16 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 73/136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 |
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Preliminary Technical Data
STANDARD 8052 SFRS
The standard 8052 special function registers include the
Accumulator, B, PSW, DPTR, and SP SFRs described in the
Basic 8052 Registers section. The standard 8052 SFRs also
defines timers, the serial port interface, interrupts, I/O ports,
and power-down modes.
Timer SFRs
The 8052 contains three 16-bit timers: the identical Timer0 and
Timer1, as well as a Timer2. These timers can also function as
event counters. Timer2 has a capture feature where the value of
the timer can be captured in two 8-bit registers upon the
ADE7566/ADE7569
Power Control Register (PCON, 0x87)
The 8052 core defines two power-down modes: power down
and idle. The ADE7566/ADE7569 enhance the power control
capability of the traditional 8052 MCU with additional power
management functions. The Power Control SFR (POWCON,
0xC5) is used to define power control-specific functionality for
the ADE7566/ADE7569. The Program Control SFR (PCON,
0x87) is not bit addressable. See the
Power Management section.
The ADE7566/ADE7569 have many other peripherals not
standard to the 8052 core, including
assertion of an external input signal (see Table 98 and the
Timers section).
Serial Port SFRs
The full-duplex serial port peripheral requires two registers, one
for setting up the baud rate and other communication parameters,
and another for the transmit/receive buffer. The
ADE7566/ADE7569 also have enhanced serial port
functionality with a dedicated timer for baud rate generation
with a fractional divisor and additional error detection. See
?
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?
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ADE energy measurement DSP
RTC
LCD driver
Battery switchover/power management
Temperature ADC
Battery ADC
SPI/I 2 C communication
Flash memory controller
Watchdog timer
Table 127 and the UART Serial Interface section.
Interrupt SFRs
There is a two-tiered interrupt system standard in the 8052 core.
The priority level for each interrupt source is individually selectable
as high or low. The ADE7566/ADE7569 enhance this interrupt
system by creating, in essence, a third interrupt tier for a highest
priority, the power supply management interrupt (PSM). See
the Interrupt System section.
I/O Port SFRs
The 8052 core supports four I/O ports, P0 through P3, where
Port 0 and Port 2 are typically used to access external code and
data spaces. The ADE7566/ADE7569, unlike standard 8052
products, provide internal nonvolatile flash memory so that an
external code space is unnecessary. The on-chip LCD driver
requires many pins, some of which are dedicated for LCD
functionality, and others that can be configured as LCD or
general-purpose inputs/outputs. Due to the limited number of
I/O pins, the ADE7566/ADE7569 do not allow access to
MEMORY OVERVIEW
The ADE7566/ADE7569 contain the following memory blocks:
? 16 kB of on-chip Flash/EE program and data memory
? 256 bytes of general-purpose RAM
? 256 bytes of internal extended RAM (XRAM)
The 256 bytes of general-purpose RAM share the upper 128 bytes
of its address space with special function registers. All of the
memory spaces are shown in Figure 67. The addressing mode
specifies which memory space to access.
General-Purpose RAM
General-purpose RAM resides in memory locations 0x00
through 0xFF. It contains the register banks.
0x7F
GENERAL-PURPOSE
AREA
0x30
0x2F
external code and data spaces.
The ADE7566/ADE7569 provide 20 pins that can be used for
general-purpose I/O. These pins are mapped to Port 0, Port 1,
and Port 2. They are accessed through three bit-addressable
8052 SFRs, P0, P1, and P2. Another enhanced feature of the
BANKS
SELECTED
VIA
BITS IN PSW
11
0x20
0x18
0x1F
0x17
BIT-ADDRESSABLE
(BIT ADDRESSES)
ADE7566/ADE7569 is that the weak pull-ups standard on 8052
Port 1, Port 2, and Port 3 can be disabled to make open drain
outputs, as is standard on Port 0. The weak pull-ups can be
enabled on a pin-by-pin basis. See the I/O Ports section.
10
01
00
0x10
0x08
0x00
0x0F
0x07
FOUR BANKS OF EIGHT
REGISTERS R0 TO R7
RESET VALUE OF
STACK POINTER
Figure 69. Lower 128 Bytes of Internal Data Memory
Rev. PrA | Page 73 of 136
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相关代理商/技术参数 |
参数描述 |
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| ADE7569ASTZF162 | 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 |
| ADE7569ASTZF16-RL | 功能描述:IC ENERGY METER 1PHASE 64-LQFP 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:* |
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| ADE7751 | 制造商:AD 制造商全称:Analog Devices 功能描述:Energy Metering IC with On-Chip Fault Detection |
| ADE7751AAN-REF | 制造商:AD 制造商全称:Analog Devices 功能描述:Energy Metering IC with On-Chip Fault Detection |
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