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參數(shù)資料
| 型號： | 5962H9855201VXC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 12 MHz, RISC MICROCONTROLLER, CPGA144 |
| 封裝： | CERAMIC, PGA-144 |
| 文件頁數(shù)： | 45/64頁 |
| 文件大小： | 1464K |
| 代理商： | 5962H9855201VXC |
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5
The UT69R000 begins operation by first generating an address
on the instruction port; valid data (instruction) is then latched
into the Primary Instruction Register (PIR). After the machine
stores the instruction in the PIR, the machine begins execution
of the instruction in the Instruction Register (IR). If the present
instruction in the IR requires only internal processing, the
machine does not exercise the data bus. If the machine needs
additional data to complete the instruction the machine begins
arbitration for the data port.
Data port arbitration begins with the machine asserting the Bus
Request (BRQ) signal. The machine samples the Bus Grant
(BGNT) and Bus Busy (BUSY) signals on the falling edge of
the clock (OSCIN). When the machine detects that the previous
bus controller has relinquished control of the bus, the machine
generates a Bus Grant Acknowledge (BGACK) signal
signifying that it has taken control of the bus (i.e., data port).
After the UT69R000 takes control of the bus, it generates valid
address and data information. If the machine is interfacing to
slow memory or other peripheral devices that require long
memory-access times, the Data Transfer Acknowledge
(DTACK) signal extends the memory cycle time. By holding
off the assertion of DTACK, the slow device lengthens the
memory cycle until it can provide data for the machine.
The UT69R000 controls the vectoring and prioritizing of
interrupt service. Internal logic selects one of 15 interrupt
vectors, each interrupt vector is allocated four memory
locations. Use the four memory locations to store return from
interrupt service address information along with the interrupt
service routine’s location. The UT69R000 controls prioritizing
of coincident interrupts.
Perform UART control and maintenance via input/output
commands OTR and INR. These commands allow the
programmer to read UART status, and error information, as
well as upload and download information to the receive and
transmit buffers respectively.
Figure 4 shows an example of a system configuration.
INSTRUCTION
DATA
INSTRUCTION
ADD
16
20
NUI3
USER-
DEFINED
SYSTEM
INTERRUPTS
8
UART
I/F
X
C
V
R
GENERAL
PURPOSE
MEMORY
I/O
DEVICE #1
I/O
DEVICE #2
BUS
ARBITER
DMA
DEVICE
#1
1553
I/F
DMA
DEVICE
#2
OP ADD
OP DATA
CONTROL
16
6
Figure 4. The UT69R000 Example System Configuration
4
UT69R000
INSTRUCTION MEMORY
CAN ONLY BE ACCESSED
BY THE UT69R000
INSTRUCTION
MEMORY
1M X 16
INTERNALLY
PULLED LOW
SERIAL I/O
BUSY
BGACK
BRQ
BGNT
OE
WE
(MAX)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 5962H9855202QXX | 32-BIT, 16 MHz, RISC MICROCONTROLLER, CPGA144 |
| 5962H9855202VXX | 32-BIT, 16 MHz, RISC MICROCONTROLLER, CPGA144 |
| 5962R9855201QXA | 32-BIT, 12 MHz, RISC MICROCONTROLLER, CPGA144 |
| 5962R9855201VXX | 32-BIT, 12 MHz, RISC MICROCONTROLLER, CPGA144 |
| 5962-9855201QZX | 32-BIT, 12 MHz, RISC MICROCONTROLLER, CQFP132 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 5962L0051502VHA | 制造商:Analog Devices 功能描述:AEROSPACE 7NS SINGLE COMPARATOR - Trays |
| 5962L0052401VGA | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| 5962L0052401VHA | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| 5962L0052401VPA | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| 5962L0052401VZA | 功能描述:校驗器 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補(bǔ)償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應(yīng)時間: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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