參數(shù)資料
型號(hào)： STR912FW42X6T
廠商： 意法半導(dǎo)體
元件分類： ADC
英文描述： ARM966E-S 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC Motor Control, 4 Timers, ADC, RTC, DMA
中文描述： ARM966E - ? 16/32位閃存微控制器與以太網(wǎng)，USB，加拿大，交流電機(jī)控制，4個(gè)計(jì)時(shí)器，模數(shù)轉(zhuǎn)換器，RTC和DMA的
文件頁(yè)數(shù)： 25/72頁(yè)
文件大小： 664K
代理商： STR912FW42X6T
STR91xF
Functional overview
31/72
only require 8 bits of address on an 8-bit multiplexed address/data bus, and have simple
read, write, and latch inputs as shown in Figure 5
To use all 24 address bits, the following applies: 8 bits of lowest-order data and 8 bits of
lowest-order address are multiplexed on port 8. On port 9, 8-bits of mid-order address are
multiplexed with 8 bits of data, but these 8 data values are always at logic zero on this port
during a write operation, and these 8 data bits are ignored during a read operation. An
external latch device (such as a ‘373 latch) is needed to de-multiplex the mid-order 8
address bits that are generated on port 8. Port 7 outputs the 8 highest-order address
signals directly (not multiplexed). The output signal on pin EMI_ALE is used to demultiplex
the signals on ports 8 and 9, and the polarity of EMI_ALE is programmable. The output
signal on pin EMI_BWR_WRLn is the data write strobe, and the output on pin EMI_RDn is
the data read strobe.
●
8-bit non-multiplexed data mode (Figure 6): Eight bits of data are on port 8, while 16 bits
of address are output on ports 7 and 9. The output signal on pin EMI_BWR_BWLn is the
data write strobe and the output on pin EMI_RDn is the data read strobe.
Figure 4.
EMI 16-bit multiplexed connection example
EMI_AD0
STR91xx
16-BIT
DEVICE
EMI_AD1
EMI_AD2
EMI_AD3
EMI_AD4
EMI_AD5
EMI_AD6
EMI_AD7
EMI_AD8
EMI_AD9
EMI_AD10
EMI_AD11
EMI_AD12
EMI_AD13
EMI_AD14
EMI_AD15
EMI_ALE
EMI_RDn
EMI_BWR_WRLn
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
AD8
AD9
AD10
AD11
AD12
AD13
AD14
AD15
CHIP_SELECT
WRITE_LOW_BYTE
READ
ADDR_LATCH
P8.7
P8.6
P8.5
P8.4
P8.3
P8.2
P8.1
P8.0
P9.7
P9.6
P9.5
P9.4
P9.3
P9.2
P9.1
P9.0
EMI_A16
EMI_A17
EMI_A18
EMI_A19
EMI_A20
EMI_A21
EMI_A22
(1) EMI_A23
A16
A17
A18
A19
A20
A21
A22
A23
P7.7
P7.6
P7.5
P7.4
P7.3
P7.2
P7.1
P7.0
EMI_WRHn
WRITE_HIGH_BYTE
EMI_CS0n
EMI_CS1n
EMI_CS2n
EMI_CS3n
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
STR912FW44X6 功能描述:ARM微控制器 - MCU TQFP 128 14x14x1.4 1 RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT
STR912FW44X6 制造商:STMicroelectronics 功能描述:512K Flash 96K sram Ethernet USB CAN
STR912FW44X6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
STR912FW92X6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
STR912FW94X6T 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:ARM966E-S TM 16/32-Bit Flash MCU with Ethernet, USB, CAN, AC motor control, 4 timers, ADC, RTC, DMA
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