參數(shù)資料
型號: OM13005,598
廠商: NXP Semiconductors
文件頁數(shù): 11/51頁
文件大小: 0K
描述: BOARD EVAL EM773 METER US PLUG
其它有關(guān)文件: EM773 Energy Metering IC Training
設(shè)計資源: Plug Meter Schematics, Gerber Files
USB Dongle Schematics, Gerber Files
標(biāo)準(zhǔn)包裝: 1
主要目的: 電源管理,電度表/功率表
嵌入式: 是,MCU,32 位
已用 IC / 零件: EM773FHN33,551
已供物品:
相關(guān)產(chǎn)品: 568-5213-ND - IC ENERGY METER ARM 32VQFN
其它名稱: 568-6680
EM773
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 2 — 3 January 2012
19 of 51
NXP Semiconductors
EM773
Energy metering IC
2. CRP2 disables access to the chip via the SWD and only allows full flash erase and
update using a reduced set of the ISP commands.
3. Running an application with level CRP3 selected fully disables any access to the chip
via the SWD pins and the ISP. This mode effectively disables ISP override using
PIO0_1 pin, too. It is up to the user’s application to provide (if needed) flash update
mechanism using IAP calls or call reinvoke ISP command to enable flash update via
the UART.
In addition to the three CRP levels, sampling of pin PIO0_1 for valid user code can be
disabled. For details see the EM773 user manual.
7.16.5 APB interface
The APB peripherals are located on one APB bus.
7.16.6 AHBLite
The AHBLite connects the CPU bus of the ARM Cortex-M0 to the flash memory, the main
static RAM, and the Boot ROM.
7.16.7 External interrupt inputs
All GPIO pins can be level or edge sensitive interrupt inputs. In addition, start logic inputs
serve as external interrupts (see Section 7.16.1).
7.17 Emulation and debugging
Debug functions are integrated into the ARM Cortex-M0. Serial wire debug with four
breakpoints and two watchpoints is supported.
CAUTION
If level three Code Read Protection (CRP3) is selected, no future factory testing can be
performed on the device.
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