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參數(shù)資料
| 型號(hào)： | PSD4256G6 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Current Mode PWM Controller 16-SOIC 0 to 70 |
| 中文描述： | Flash在系統(tǒng)可編程ISP的周邊的16位微控制器 |
| 文件頁(yè)數(shù)： | 45/100頁(yè) |
| 文件大小： | 759K |
| 代理商： | PSD4256G6 |
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PSD4256G6V
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Input Macrocells (IMC)
The CPLD has 24 Input Macrocells (IMC), one for
each pin on Ports A, B, and C. The architecture of
the Input Macrocells (IMC) is shown in Figure 16.
The Input Macrocells (IMC) are individually config-
urable, and can be used as a latch, register, or to
pass incoming Port signals prior to driving them
onto the PLD input bus. The outputs of the Input
Macrocells (IMC) can be read by the MCU through
the internal data bus.
The enable for the latch and clock for the register
are driven by a multiplexer whose inputs are a
product term from the CPLD AND Array or the
MCU Address Strobe (ALE/AS). Each product
term output is used to latch or clock four Input
Macrocells (IMC). Port inputs 3-0 can be con-
trolled by one product term and 7-4 by another.
Configurations for the Input Macrocells (IMC) are
specified by PSDsoft (see Application Note
AN1171). Outputs of the Input Macrocells (IMC)
can be read by the MCU via the IMC buffer. See
Figure 21, page 51 to Figure 26, page 57 for ex-
amples of the basic connections between the PSD
and some popular MCUs. The PSD Control input
pins are labeled as to the MCU function for which
they are configured. The MCU bus interface is
specified using the “I/O Ports”, on page 16.
Input Macrocells (IMC) can use Address Strobe
(ALE/AS, PD0) to latch address bits higher than
A15. Any latched addresses are routed to the
PLDs as inputs.
Input Macrocells (IMC) are particularly useful with
handshaking communication applications where
two processors pass data back and forth through
a common mailbox. Figure 18, page 46 shows a
typical configuration where the Master MCU writes
to the Port A Data Out Register. This, in turn, can
be read by the Slave MCU via the activation of the
“Slave-READ” output enable product term.
The Slave can also write to the Port A Input Mac-
rocells (IMC) and the Master can then read the In-
put Macrocells (IMC) directly.
Note that the “Slave-READ” and “Slave-Wr” sig-
nals are product terms that are derived from the
Slave MCU inputs READ Strobe (RD, CNTL1),
WRITE
Strobe
(WR/WRL,
Slave_CS.
CNTL0),
and
Figure 16. Input Macrocell
OUTPUT
MACROCELLS A
AND
MACROCELLS B
PT
PT
FEEDBACK
A
P
PORT
DRIVER
I/O PIN
INTERNAL DATA BUS
DIRECTION
REGISTER
MUX
MUX
ALE/AS
PT
Q
Q
D
D
G
LATCH
INPUT MACROCELL
ENABLE (.OE)
D FF
INPUT MACROCELL_ RD
AI04926
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD4256G6V-10UI | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.3V 8M 100ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類型:EEPROM 大電池?cái)?shù)量:128 最大工作頻率:333 MHz 延遲時(shí)間:2.7 ns 可編程輸入/輸出端數(shù)量:64 工作電源電壓:3.3 V 最大工作溫度:+ 90 C 最小工作溫度:0 C 封裝 / 箱體:TQFP-100 |
| PSD4-36 | 制造商:Tamura Corporation of America 功能描述: |
| PSD-45 | 制造商:MEANWELL 制造商全稱:Mean Well Enterprises Co., Ltd. 功能描述:45W DC-DC Single Output Switching Power Supply |
| PSD-45_11 | 制造商:MEANWELL 制造商全稱:Mean Well Enterprises Co., Ltd. 功能描述:45W DC-DC Single Output Switching Power Supply |
| PSD-45A-05 | 功能描述:線性和開關(guān)式電源 30W 5Vout 6A Input 9.2-18VDC RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓（通道 1）:20 V 輸出電流（通道 1）:40 A 商用/醫(yī)用: 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:Rack 長(zhǎng)度: 寬度: 高度: |
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