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參數(shù)資料
| 型號： | TSB12LV32-EP |
| 英文描述： | IC APEX 20KE FPGA 100K 324-FBGA |
| 中文描述： | 軍事增強塑料電機及電子學工程師聯(lián)合會1394-1995和P1394a兼容通用鏈路層控制器 |
| 文件頁數(shù)： | 38/106頁 |
| 文件大?。?/td> | 605K |
| 代理商： | TSB12LV32-EP |
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3
–
1
3 Microcontroller Interface
The microcontroller interface allows the local microcontroller/microprocessor to communicate with the
internal control and configuration registers (CFR), asynchronous transfer FIFO (ATF) and general receive
FIFO (GRF). All microcontroller reads/writes are initiated by the microcontroller. The micro interface
supports read transactions from the CFR or GRF, and write transactions to the CFR or ATF.
The micro interface can operate in byte (8 bits) or word (16 bits) accesses. Each CFR, with the exception
of the cycle timer register at 14h and the Phy access register at 24h, can be addressed on byte or word
boundaries. The possible configurations for the interface are shown in Table 3
–
1. The TSB12LV32 can also
be directly connected to the Motorola 68000 and ColdFire
line of MC/MP. Table 3
–
2 defines the mapping
of the micro interface pins between the TSB12LV32, the Motorola 68000 and the ColdFire microprocessor.
Table 3
–
1. Microcontroller Interface Modes of Operation
TSB12LV32 Mode-CONFIGURATION TERMINALS
COLDFIRE
M8BIT_SIZ0
MODE OF OPERATION
MCMODE_SIZ1
0
0
0
16-bit fixed timing mode.
0
0
1
16-bit MCS
–
MCA handshake mode.
0
1
0
8-bit fixed timing mode.
0
1
1
8-bit MCS
–
MCA handshake mode
1
0
0
ColdFire 4-byte (2-word) burst mode
1
0
1
ColdFire 2-byte (1-word) mode
1
1
0
ColdFire 1-byte mode (not supported)
1
1
1
ColdFire 16-byte (8-word) burst mode
Table 3
–
2. TSB12LV32 MP/MC Interface Terminal Function Matrix
TSB12LV32
Motorola 68000/ColdFire MICROCONTROLLER
TERMINAL NAME
USAGE
TERMINAL NAME
USAGE
MA0
–
MA6
Input
A[6:0]
Output
MD0
–
MD15
I/O
D[31:16]
I/O
MCA
Output
TAZ
Input
MCS
Input
TSZ
Output
MWR
Input
R/WZ
Output
MCMODE/SIZ1, M8BIT/SIZ0
Input
SIZ1, SIZ0
Output
TEA
Output
TEAZ
Input
BCLK
Input
SCLK / CLK
Input
The Byte stacker allows the TSB12LV32 to be easily connected to most processors. The byte stacker
consists of a programmable 8-/16-bit data bus and a 7-bit address bus. The TSB12LV32 uses cycle-start
and cycle-acknowledge handshake signals to allow the local bus clock and the 1394 clock to be
asynchronous to one another. The TSB12LV32 is an interrupt driver to reduce cycling. All bus signal labeling
on the TSB12LV32 microcontroller interface use bit #0 to denote the most significant bit (MSB).
ColdFire is a trademark of Motorola, Inc.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TSB12LV32I | 制造商:TI 制造商全稱:Texas Instruments 功能描述:IEEE 1394-1995 and P1394a Compliant General-Purpose Link-Layer Controller |
| TSB12LV32IPZ | 功能描述:1394 接口集成電路 General-Purpose Link Layer Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB12LV32IPZEP | 制造商:Texas Instruments 功能描述:1394 I-TEMP 1394 GENERAL-PURPOSE LINK LAYER CONTROLLER (GP2L - Rail/Tube |
| TSB12LV32IPZG4 | 功能描述:1394 接口集成電路 General Purpose Link Layer Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
| TSB12LV32PZ | 功能描述:1394 接口集成電路 General-Purpose Link Layer Cntrlr RoHS:否 制造商:Texas Instruments 類型:Link Layer Controller 工作電源電壓: 封裝 / 箱體:LQFP 封裝:Tray |
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