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參數(shù)資料
| 型號(hào)： | PSD854F2A-90MT |
| 廠商： | STMICROELECTRONICS |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 256K X 8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP52 |
| 封裝： | ROHS COMPLIANT, PLASTIC, QFP-52 |
| 文件頁(yè)數(shù)： | 43/128頁(yè) |
| 文件大小： | 1045K |
| 代理商： | PSD854F2A-90MT |
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PSD8XXFX
PSD architectural overview
Doc ID 7833 Rev 7
3.4
I/O ports
The PSD has 27 individually configurable I/O pins distributed over the four ports (Port A, B,
C, and D). Each I/O pin can be individually configured for different functions. ports can be
configured as standard MCU I/O ports, PLD I/O, or latched address outputs for MCUs using
multiplexed address/data buses.
The JTAG pins can be enabled on port C for in-system programming (ISP).
Ports A and B can also be configured as a data port for a non-multiplexed bus.
3.5
MCU bus interface
PSD interfaces easily with most 8-bit MCUs that have either multiplexed or non-multiplexed
address/data buses. The device is configured to respond to the MCU control signals, which
are also used as inputs to the PLDs. For examples, please see Section 15.4: MCU bus
3.6
JTAG port
In-system programming (ISP) can be performed through the JTAG signals on port C. This
serial interface allows complete programming of the entire PSD device. A blank device can
be completely programmed. The JTAG signals (TMS, TCK, TSTAT, TERR, TDI, TDO) can
be multiplexed with other functions on port C. Table 5 indicates the JTAG pin assignments.
3.7
In-system programming (ISP)
Using the JTAG signals on port C, the entire PSD device can be programmed or erased
without the use of the MCU. The primary Flash memory can also be programmed in-system
by the MCU executing the programming algorithms out of the secondary memory, or SRAM.
The secondary memory can be programmed the same way by executing out of the primary
Flash memory. The PLD or other PSD configuration blocks can be programmed through the
JTAG port or a device programmer. Table 6 indicates which programming methods can
program different functional blocks of the PSD.
3.8
Power management unit (PMU)
The power management unit (PMU) gives the user control of the power consumption on
selected functional blocks based on system requirements. The PMU includes an Automatic
Power-down (APD) Unit that turns off device functions during MCU inactivity. The APD unit
has a Power-down mode that helps reduce power consumption.
Table 4.
PLD I/O
Name
Inputs
Outputs
Product terms
Decode PLD (DPLD)
73
17
42
Complex PLD (CPLD)
73
19
140
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PSD854F2A-90UT | 256K X 8 FLASH, 27 I/O, PIA-GENERAL PURPOSE, PQFP64 |
| PSH665-FREQ-OUT1 | VCXO, SINE OUTPUT, 465 MHz - 865 MHz |
| PSM3-022K | 1 ELEMENT, 0.022 uH, GENERAL PURPOSE INDUCTOR, SMD |
| PSM3-068K | 1 ELEMENT, 0.068 uH, GENERAL PURPOSE INDUCTOR, SMD |
| PSM3-120K | 1 ELEMENT, 0.12 uH, GENERAL PURPOSE INDUCTOR, SMD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSD854F2V-12JI | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 120ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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 |
| PSD854F2V-12MI | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 120ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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 |
| PSD854F2V-90J | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 90ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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 |
| PSD854F2V-90M | 功能描述:CPLD - 復(fù)雜可編程邏輯器件 3.0V 2M 90ns RoHS:否 制造商:Lattice 系列: 存儲(chǔ)類(lèi)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 |
| PSD-8M-01 | 制造商:Richco 功能描述:CB SPT REST MNT NAT 8MM SPC |
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