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參數(shù)資料
| 型號： | A42MX16-1PQ100ES |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | TRANSF 600 SPLIT SEC .90MA TEL |
| 中文描述： | 40MX和42MX FPGA系列 |
| 文件頁數(shù)： | 28/120頁 |
| 文件大?。?/td> | 854K |
| 代理商： | A42MX16-1PQ100ES |
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15
4958B–AUTO–11/10
Atmel ATA6285/ATA6286 [Preliminary]
3.5.4.1
The X-register, Y-register, and Z-register
The registers R26..R31 have some added functions to their general purpose usage. These reg-
isters are 16-bit address pointers for indirect addressing of the data space. The three indirect
address registers X, Y, and Z are defined as described in Figure 3-4.
Figure 3-4.
The X-, Y-, and Z-registers
In the different addressing modes these address registers have functions as fixed displacement,
automatic increment, and automatic decrement (see the instruction set reference for details).
3.5.5
Stack Pointer
The Stack is mainly used for storing temporary data, for storing local variables and for storing
return addresses after interrupts and subroutine calls. The Stack Pointer Register always points
to the top of the Stack. Note that the Stack is implemented as growing from higher memory loca-
tions to lower memory locations. This implies that a Stack PUSH command decreases the Stack
Pointer.
The Stack Pointer points to the data SRAM Stack area where the Subroutine and Interrupt
Stacks are located. This Stack space in the data SRAM must be defined by the program before
any subroutine calls are executed or interrupts are enabled. The Stack Pointer must be set to
point above 0x100, preferably RAMEND. The Stack Pointer is decremented by one when data is
pushed onto the Stack with the PUSH instruction, and it is decremented by two when the return
address is pushed onto the Stack with subroutine call or interrupt. The Stack Pointer is incre-
mented by one when data is popped from the Stack with the POP instruction, and it is
incremented by two when return address is popped from the Stack with return from subroutine
RET or return from interrupt RETI.
The Atmel AVR Stack Pointer is implemented as two 8-bit registers in the I/O space. The
number of bits actually used is implementation dependent. Note that the data space in some
implementations of the Atmel AVR architecture is so small that only SPL is needed. In this case,
the SPH Register will not be present.
In ATA6289 only SP9 and SP8 of High Byte (SPH) are in use.
15
XH
XL
0
X-register
7
0
7
0
R27(0x1B)
R26 (0x1A)
15
YH
YL
0
Y-register
7
0
7
0
R29 (0x1D)
R28 (0x1C)
15
ZH
ZL
0
Z-register
7
0
7
0
R31 (0x1F)
R30 (0x1E)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| A42MX09-1TQ100B | 40MX and 42MX FPGA Families |
| A42MX16-1TQ100B | 40MX and 42MX FPGA Families |
| A42MX24-1TQ100B | XFRMR PWR 20.0VCT 1.25A QC .187 |
| A42MX02-1TQ100ES | XFRMR PWR 20.0VCT 2.2A QC .187 |
| A42MX04-1TQ100ES | Power Transformer; Series:VPS; Supply Voltage:115V; Output Voltage:20V; Power Rating:80VA; Mounting Type:Chassis RoHS Compliant: Yes |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A42MX16-1PQ100I | 功能描述:IC FPGA MX SGL CHIP 24K 100-PQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - FPGA（現(xiàn)場可編程門陣列） 系列:MX 標(biāo)準(zhǔn)包裝:40 系列:SX-A LAB/CLB數(shù):6036 邏輯元件/單元數(shù):- RAM 位總計:- 輸入/輸出數(shù):360 門數(shù):108000 電源電壓:2.25 V ~ 5.25 V 安裝類型:表面貼裝 工作溫度:0°C ~ 70°C 封裝/外殼:484-BGA 供應(yīng)商設(shè)備封裝:484-FPBGA（27X27） |
| A42MX16-1PQ100M | 制造商:Microsemi Corporation 功能描述:FPGA 24K GATES 608 CELLS 119MHZ/198MHZ 0.45UM 3.3V/5V 100PQF - Trays 制造商:Microsemi Corporation 功能描述:IC FPGA 83 I/O 100PQFP 制造商:Microsemi Corporation 功能描述:IC FPGA MX SGL CHIP 24K 100-PQFP |
| A42MX16-1PQ160 | 功能描述:IC FPGA MX SGL CHIP 24K 160-PQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - FPGA（現(xiàn)場可編程門陣列） 系列:MX 標(biāo)準(zhǔn)包裝:40 系列:SX-A LAB/CLB數(shù):6036 邏輯元件/單元數(shù):- RAM 位總計:- 輸入/輸出數(shù):360 門數(shù):108000 電源電壓:2.25 V ~ 5.25 V 安裝類型:表面貼裝 工作溫度:0°C ~ 70°C 封裝/外殼:484-BGA 供應(yīng)商設(shè)備封裝:484-FPBGA（27X27） |
| A42MX16-1PQ160I | 功能描述:IC FPGA MX SGL CHIP 24K 160-PQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - FPGA（現(xiàn)場可編程門陣列） 系列:MX 標(biāo)準(zhǔn)包裝:40 系列:SX-A LAB/CLB數(shù):6036 邏輯元件/單元數(shù):- RAM 位總計:- 輸入/輸出數(shù):360 門數(shù):108000 電源電壓:2.25 V ~ 5.25 V 安裝類型:表面貼裝 工作溫度:0°C ~ 70°C 封裝/外殼:484-BGA 供應(yīng)商設(shè)備封裝:484-FPBGA（27X27） |
| A42MX16-1PQ160M | 制造商:Microsemi Corporation 功能描述:FPGA 24K GATES 608 CELLS 119MHZ/198MHZ 0.45UM 3.3V/5V 160PQF - Trays 制造商:Microsemi Corporation 功能描述:IC FPGA 125 I/O 160PQFP |
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