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| 型號： | PSD834F2 |
| 英文描述： | Flash In-System Programmable (ISP) Peripherals For 8-bit MCUs(用于8位MCUs的閃速ISP外圍) |
| 中文描述： | Flash在系統(tǒng)可編程（ISP）為周邊8位微控制器（用于8位微控制器的閃速的ISP外圍） |
| 文件頁數(shù)： | 31/98頁 |
| 文件大小： | 595K |
| 代理商： | PSD834F2 |
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PSD8XXF2/3/4/5
Output Macrocell (OMC)
Eight of the Output Macrocells (OMC) are con-
nected to Ports A and B pins and are named as
McellAB0-McellAB7. The other eight macrocells
are connected to Ports B and C pins and are
named as McellBC0-McellBC7. If an McellAB out-
put is not assigned to a specific pin in PSDabel,
the Macrocell Allocator block assigns it to either
Port A or B. The same is true for a McellBC output
on Port Bor C.Table 14shows the macrocells and
port assignment.
The Output Macrocell (OMC) architecture is
shown in Figure 13. As shown in the figure, there
are native product terms available from the AND
Array, and borrowed product terms available (if
unused) fromother Output Macrocells(OMC). The
polarity of the product term is controlled by the
XOR gate. The Output Macrocell (OMC) can im-
plement either sequential logic, using the flip-flop
element, or combinatorial logic. The multiplexer
selects between the sequential or combinatorial
logic outputs. The multiplexer output can drive a
port pin and has a feedback path to the AND Array
inputs.
The flip-flop in the Output Macrocell (OMC) block
can be configured as a D, T, JK, or SR type in the
PSDabel program. The flip-flop’s clock, preset,
and clear inputs may be driven from a product
term of the AND Array. Alternatively, CLKIN (PD1)
can be used for the clock input to the flip-flop. The
flip-flop is clocked on the rising edge of CLKIN
(PD1). The preset andclear are activeHigh inputs.
Each clear input can use up to two product terms.
Table 14. Output Macrocell Port and Data Bit Assignments
Output
Macrocell
Port
Assignment
Native Product Terms
Maximum Borrowed
Product Terms
Data Bit for Loading or
Reading
McellAB0
Port A0, B0
3
6
D0
McellAB1
Port A1, B1
3
6
D1
McellAB2
Port A2, B2
3
6
D2
McellAB3
Port A3, B3
3
6
D3
McellAB4
Port A4, B4
3
6
D4
McellAB5
Port A5, B5
3
6
D5
McellAB6
Port A6, B6
3
6
D6
McellAB7
Port A7, B7
3
6
D7
McellBC0
Port B0, C0
4
5
D0
McellBC1
Port B1, C1
4
5
D1
McellBC2
Port B2, C2
4
5
D2
McellBC3
Port B3, C3
4
5
D3
McellBC4
Port B4, C4
4
6
D4
McellBC5
Port B5, C5
4
6
D5
McellBC6
Port B6, C6
4
6
D6
McellBC7
Port B7, C7
4
6
D7
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| PSD834F2-15M | 制造商:STMicroelectronics 功能描述:Flash In-System Programmable Peripherals 52-Pin PQFP |
| PSD834F2-70J | 功能描述:CPLD - 復雜可編程邏輯器件 5.0V 2M 70ns 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 |
| PSD834F2-70M | 功能描述:SPLD - 簡單可編程邏輯器件 5.0V 2M 70ns RoHS:否 制造商:Texas Instruments 邏輯系列:TICPAL22V10Z 大電池數(shù)量:10 最大工作頻率:66 MHz 延遲時間:25 ns 工作電源電壓:4.75 V to 5.25 V 電源電流:100 uA 最大工作溫度:+ 75 C 最小工作溫度:0 C 安裝風格:Through Hole 封裝 / 箱體:DIP-24 |
| PSD834F2-90J | 功能描述:CPLD - 復雜可編程邏輯器件 5.0V 2M 90ns 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 |
| PSD834F2-90JI | 功能描述:CPLD - 復雜可編程邏輯器件 5.0V 2M 90ns 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 |
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