參數(shù)資料
型號： PSD4135G1-15JI
廠商： 意法半導體
英文描述： Flash In-System-Programmable Peripherals for 16-Bit MCUs
中文描述： Flash在系統(tǒng)可編程外設的16位微控制器
文件頁數(shù)： 11/93頁
文件大小： 503K
代理商： PSD4135G1-15JI
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.
相關PDF資料
PDF描述
PSD4135G1-15M Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-15MI Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-15U Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-15UI Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-20B81 Flash In-System-Programmable Peripherals for 16-Bit MCUs
相關代理商/技術參數(shù)
參數(shù)描述
PSD4135G1-15M 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-15MI 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-15U 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-15UI 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
PSD4135G1-20B81 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Flash In-System-Programmable Peripherals for 16-Bit MCUs
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