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參數(shù)資料
| 型號： | PSD4256G6 |
| 廠商： | 意法半導體 |
| 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 |
| 文件頁數(shù)： | 12/100頁 |
| 文件大?。?/td> | 759K |
| 代理商： | PSD4256G6 |
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PSD4256G6V
12/100
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
Table 2. TQFP80 Pin Description
Pin Name
Pin
Type
Description
ADIO0-
ADIO7
3-7
10-12
I/O
This is the lower Address/Data port. Connect your MCU address or address/data bus
according to the following rules:
1. If your MCU has a multiplexed address/data bus where the data is multiplexed with
the lower address bits, connect AD0-AD7 to this port.
2. If your MCU does not have a multiplexed address/data bus, connect A0-A7 to this
port.
3. If you are using an 80C51XA in burst mode, connect A4/D0 through A11/D7 to this
port.
ALE or AS latches the address. The PSD drives data out only if the READ signal is
active and one of the PSD functional blocks has been selected. The addresses on this
port are passed to the PLDs.
ADIO8-
ADIO15
13-20
I/O
This is the upper Address/Data port. Connect your MCU address or address/data bus
according to the following rules:
1. If your MCU has a multiplexed address/data bus where the data is multiplexed with
the address bits, connect A8-A15 or AD8-AD15 to this port.
2. If your MCU does not have a multiplexed address/data bus, connect A8-A15 to this
port.
3. If you are using an 80C51XA in burst mode, connect A12/D8 through A19/D15 to this
port.
ALE or AS latches the address. The PSD drives data out only if the READ signal is
active and one of the PSD functional blocks has been selected. The addresses on this
port are passed to the PLDs.
CNTL0
59
I
The following control signals can be connected to this pin, based on your MCU:
1. WR – active Low, WRITE Strobe input.
2. R_W – active High, READ/active Low WRITE input.
3. WRL – active Low, WRITE to Low-byte.
This pin is connected to the PLDs. Therefore, these signals can be used in decode and
other logic equations.
CNTL1
60
I
The following control signals can be connected to this pin, based on your MCU:
1. 1RD – active Low, READ Strobe input.
2. E – E clock input.
3. DS – active Low, Data Strobe input.
4. LDS – active Low, Strobe for low data byte.
This pin is connected to the PLDs. Therefore, these signals can be used in decode and
other logic equations.
CNTL2
40
I
READ or other Control input pin, with multiple configurations. Depending on the MCU
interface selected, this pin can be:
1. PSEN – Program Select Enable, active Low in code retrieve bus cycle (80C51XA
mode).
2. BHE – High-byte enable, 16-bit data bus.
3. UDS – active Low, Strobe for high data byte, 16-bit data bus mode.
4. SIZ0 – Byte enable input.
5. LSTRB – Low Strobe input.
This pin is also connected to the PLDs.
RESET
39
I
Active Low input. Resets I/O Ports, PLD Macrocells and some of the Configuration
Registers and JTAG registers. Must be Low at Power-up. RESET also aborts any Flash
memory Program or Erase cycle that is currently in progress.
PA0-PA7
51-58
I/O
CMOS
or
Open
Drain
These pins make up Port A. These port pins are configurable and can have the
following functions:
1. MCU I/O – standard output or input port.
2. CPLD Macrocell (McellA0-McellA7) outputs.
3. Latched, transparent or registered PLD inputs (can also be PLD input for address A16
and above).
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相關代理商/技術參數(shù) |
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| PSD4256G6V-10UI | 功能描述:CPLD - 復雜可編程邏輯器件 3.3V 8M 100ns RoHS:否 制造商:Lattice 系列: 存儲類型:EEPROM 大電池數(shù)量:128 最大工作頻率:333 MHz 延遲時間: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: |
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