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| 型号： | PSD4235F1-C-90MI |
| 厂商： | 意法半导体 |
| 英文描述： | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| 中文描述： | Flash在系统可编程外设的16位微控制器 |
| 文件页数： | 11/93页 |
| 文件大小： | 503K |
| 代理商： | PSD4235F1-C-90MI |
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PSD4000 Series
Preliminary Information
8
The following table describes the pin names and pin functions of the PSD4000. Pins that
have multiple names and/or functions are defined using PSDsoft.
6.0
Table 5.
PSD4000
Pin
Descriptions
Pin*
(TQFP
Pkg.)
Pin Name
Type
Description
ADIO0-7
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
AD[0:7] to this port.
2. If your MCU does not have a multiplexed address/data bus,
connect A[0:7] 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
was selected. The addresses on this port are passed to the
PLDs.
ADIO8-15
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 upper address bits, connect
AD[8:15] to this port.
2. If your MCU does not have a multiplexed address/data bus,
connect A[8:15] 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 was selected. The addresses on this port are passed
to the PLDs.
CNTL0
59
I
The following control signals can be connected to this port,
based on your MCU:
1. WR — active-low write input.
2. R_W — active-high read/active low write input.
3. WRL — Write to low byte, active low
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 port,
based on your MCU:
1. RD — active-low read input.
2. E — E clock input.
3. DS — active-low data strobe input.
4. LDS — Strobe for low data byte, active low.
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 fetch
bus cycle (80C51XA mode)
2. BHE — High byte enable.
3. UDS — Strobe for high data byte, 16-bit data bus mode,
active low.
4. SIZ0 — Byte enable input.
5. LSTRB — Low strobe input.
This pin is also connected to PLD as input.
相关PDF资料 |
PDF描述 |
|---|---|
| PSD4235F1-C-90U | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4235F1-C-90UI | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4235F2-15UI | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4235F2-70UI | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
| PSD4235F2-90B81 | Flash In-System-Programmable Peripherals for 16-Bit MCUs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| PSD4235G2-70U | 功能描述:SPLD - 简单可编程逻辑器件 5.0V 4M 70ns RoHS:否 制造商:Texas Instruments 逻辑系列:TICPAL22V10Z 大电池数量:10 最大工作频率:66 MHz 延迟时间:25 ns 工作电源电压:4.75 V to 5.25 V 电源电流:100 uA 最大工作温度:+ 75 C 最小工作温度:0 C 安装风格:Through Hole 封装 / 箱体:DIP-24 |
| PSD4235G2-90U | 功能描述:CPLD - 复杂可编程逻辑器件 5.0V 4M 90ns RoHS:否 制造商:Lattice 系列: 存储类型:EEPROM 大电池数量:128 最大工作频率:333 MHz 延迟时间:2.7 ns 可编程输入/输出端数量:64 工作电源电压:3.3 V 最大工作温度:+ 90 C 最小工作温度:0 C 封装 / 箱体:TQFP-100 |
| PSD4235G2-90UI | 功能描述:CPLD - 复杂可编程逻辑器件 5.0V 4M 90ns RoHS:否 制造商:Lattice 系列: 存储类型:EEPROM 大电池数量:128 最大工作频率:333 MHz 延迟时间:2.7 ns 可编程输入/输出端数量:64 工作电源电压:3.3 V 最大工作温度:+ 90 C 最小工作温度:0 C 封装 / 箱体:TQFP-100 |
| PSD4235G2V-12UI | 功能描述:CPLD - 复杂可编程逻辑器件 3.3V 4M 120ns RoHS:否 制造商:Lattice 系列: 存储类型:EEPROM 大电池数量:128 最大工作频率:333 MHz 延迟时间:2.7 ns 可编程输入/输出端数量:64 工作电源电压:3.3 V 最大工作温度:+ 90 C 最小工作温度:0 C 封装 / 箱体:TQFP-100 |
| PSD4235G2V-90U | 功能描述:CPLD - 复杂可编程逻辑器件 3.3V 4M 90ns RoHS:否 制造商:Lattice 系列: 存储类型:EEPROM 大电池数量:128 最大工作频率:333 MHz 延迟时间:2.7 ns 可编程输入/输出端数量:64 工作电源电压:3.3 V 最大工作温度:+ 90 C 最小工作温度:0 C 封装 / 箱体:TQFP-100 |
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