參數(shù)資料
型號(hào): PSD413A2V-A-20JI
廠商: 意法半導(dǎo)體
英文描述: Flash In-System Programmable ISP Peripherals For 8-bit MCUs
中文描述: Flash在系統(tǒng)可編程ISP的外設(shè)的8位微控制器
文件頁數(shù): 12/120頁
文件大小: 563K
代理商: PSD413A2V-A-20JI
PSD813F1-A
Preliminary
8
5.7 In-System Programming
Using the JTAG signals on Port C, the entire PSD813F1 device can be programmed or
erased without the use of the microcontroller. The main Flash memory can also be
programmed in-system by the microcontroller executing the programming algorithms out
of the EEPROM or SRAM. The EEPROM can be programmed the same way by executing
out of the main Flash memory. The PLD logic or other PSD813F1 configuration can be
programmed through the JTAG port or a device programmer. Table 4 indicates which
programming methods can program different functional blocks of the PSD813F1.
PSD813F1
Architectural
Overview
(cont.)
JTAG
Device
Programmer
In-System Parallel
Programming
Functional Block
Programming
Main Flash memory
Yes
Yes
Yes
EEPROM memory
Yes
Yes
Yes
PLD Array (DPLD and CPLD)
Yes
Yes
No
PSD Configuration
Yes
Yes
No
Optional OTP Row
No
Yes
Yes
Table 4. Methods of Programming Different Functional Blocks of the PSD813F1
5.8 Power Management Unit
The Power Management Unit (PMU) in the PSD813F1 gives the user control of the
power consumption on selected functional blocks based on system requirements. The PMU
includes an Automatic Power Down unit (APD) that will turn off device functions due to
microcontroller inactivity. The APD unit has a Power Down Mode that helps reduce power
consumption.
The PSD813F1 also has some bits that are configured at run-time by the MCU to reduce
power consumption of the CPLD. The turbo bit in the PMMR0 register can be turned off and
the CPLD will latch its outputs and go to sleep until the next transition on its inputs.
Additionally, bits in the PMMR2 register can be set by the MCU to block signals from
entering the CPLD to reduce power consumption. See section 9.5.
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