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參數(shù)資料
| 型號(hào)： | PSD9132V20MT |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | PECL To TTL Translator; Package: SOEIAJ-16; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2000 |
| 中文描述： | Flash在系統(tǒng)可編程ISP的外設(shè)的8位微控制器 |
| 文件頁(yè)數(shù)： | 33/110頁(yè) |
| 文件大小： | 1737K |
| 代理商： | PSD9132V20MT |
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PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2
PLDS
The PLDs bring programmable logic functionality
to the PSD. After specifying the logic for the PLDs
using the PSDabel tool in PSDsoft Express, the
logic is programmed into the device and available
upon Power-up.
The PSD contains two PLDs: the Decode PLD
(DPLD), and the Complex PLD (CPLD). The PLDs
are briefly discussed in the next few paragraphs,
and in more detail in the section entitled
Decode
PLD (DPLD), page 35
and the section entitled
Complex
PLD
(CPLD), page 36
.
13., page 34
shows the configuration of the PLDs.
The DPLD performs address decoding for Select
signals for internal components, such as memory,
registers, and I/O ports.
The CPLD can be used for logic functions, such as
loadable counters and shift registers, state ma-
chines, and encoding and decoding logic. These
logic functions can be constructed using the 16
Output Macrocells (OMC), 24 Input Macrocells
(IMC), and the AND Array. The CPLD can also be
used to generate External Chip Select (ECS0-
ECS2) signals.
The AND Array is used to form product terms.
These product terms are specified using PSDabel.
An Input Bus consisting of 73 signals is connected
to the PLDs. The signals are shown in Table
14
.
The Turbo Bit in PSD
The PLDs in the PSD can minimize power con-
sumption by switching off when inputs remain un-
changed for an extended time of about 70ns.
Resetting the Turbo Bit to '0' (Bit 3 of PMMR0) au-
tomatically places the PLDs into standby if no in-
puts are changing. Turning the Turbo mode off
increases propagation delays while reducing pow-
er consumption. See the section entitled
POWER
MANAGEMENT, page 62
on how to set the Turbo
Bit.
Figure
Additionally, five bits are available in PMMR2 to
block MCU control signals from entering the PLDs.
This reduces power consumption and can be used
only when these MCU control signals are not used
in PLD logic equations.
Each of the two PLDs has unique characteristics
suited for its applications. They are described in
the following sections.
Table 14. DPLD and CPLD Inputs
Note: 1. The address inputs are A19-A4 in 80C51XA mode.
Input Source
Input Name
Number
of
Signals
MCU Address Bus
1
A15-A0
16
MCU Control Signals
CNTL2-CNTL0
3
Reset
RST
1
Power-down
PDN
1
Port A Input
Macrocells
PA7-PA0
8
Port B Input
Macrocells
PB7-PB0
8
Port C Input
Macrocells
PC7-PC0
8
Port D Inputs
PD2-PD0
3
Page Register
PGR7-PGR0
8
Macrocell AB
Feedback
MCELLAB.FB7-
FB0
8
Macrocell BC
Feedback
MCELLBC.FB7-
FB0
8
Secondary Flash
memory Program
Status Bit
Ready/Busy
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PSD9132V70MIT | BBG ECL TRNSLATR ECL/TTL; Package: SOEIAJ-16; No of Pins: 16; Container: Tape and Reel; Qty per Container: 2000 |
| PSD9132V70MT | BBG ECL TRNSLATR ECL/TTL; Package: SOEIAJ-16; No of Pins: 16; Container: Rail; Qty per Container: 50 |
| PSD9132V90MIT | Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD9132V90MT | PECL To TTL Translator; Package: PDIP-16; No of Pins: 16; Container: Rail; Qty per Container: 25 |
| PSD913315JIT | Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD9132V70JIT | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD9132V70JT | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD9132V70MIT | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD9132V70MT | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
| PSD9132V90JIT | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:Flash In-System Programmable ISP Peripherals For 8-bit MCUs |
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