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參數(shù)資料
| 型號： | Z80382 |
| 廠商： | ZiLOG, Inc. |
| 英文描述： | High-Performance Data Communication Processor(高性能數(shù)字通信微處理器) |
| 中文描述： | 高性能數(shù)據(jù)通信處理器（高性能數(shù)字通信微處理器） |
| 文件頁數(shù)： | 1/77頁 |
| 文件大小： | 412K |
| 代理商： | Z80382 |
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DS97Z382000
P R E L I M I N A R Y
1
1
P
RELIMINARY
P
RODUCT
S
PECIFICATION
Z80382, Z8L382
H
IGH
-P
ERFORMANCE
C
OMMUNICATIONS
1
D
ROCESSORS
ATA
P
FEATURES
I
Embedded Z380
D
Maintains Object Code Compatibility with Z80
and Z180
Microprocessors
a
Microprocessor
¨
a
D
Enhanced Instruction Set for 16-Bit Operation
D
D
D
D
D
D
16 MB Linear Addressing
Two Clock Cycle Instruction Execution Minimum
Four On-Chip Register Banks
BC/DE/HL/IX/IY Augmented to 32 Bits
Clock Divide-by-Two and Multiply-by-Two Options
Fully Static CMOS Design with Low-Power
Standby Mode
16-Bit Internal Bus
Dynamic Bus Sizing (8/16-Bit Inter-Operability)
D
D
I
16550 Mimic with I/O Mailbox, DMA Mailbox, and 16 mA
Bus Drive
I
Three HDLC Synchronous Serial Channels
D
Serial Data Rate of up to 10 Mbps
I
GCI/SCIT Bus Interface
I
Eight Advanced DMA Channels with 24-Bit Addressing
I
Plug-and-Play ISA Interface
I
PCMCIA Interface
I
Two Enhanced ASCIs (UARTs) with 16-Bit Baud Rate
Generators (BRG)
I
Clocked Serial I/O Channel (CSIO) for Use with Serial
Memory
I
Two 16-Bit Timers with Flexible Prescalers
I
Three Memory Chip Selects with Wait-State Generators
I
Watch-Dog Timer (WDT)
I
Up to 32 General-Purpose I/O Pins
I
DC to 20 MHz Operating Frequency @ 5.0V
I
DC to 10 MHz Operating Frequency @ 3.3V
I
144-Pin QFP and VQFP Style Packages
GENERAL DESCRIPTION
The Z80382 (Z382) is designed to address high-end data
communication applications such as digital modems (IS-
DN, GSM, Mobitex & Modacom), xDSL and analog mo-
dems (V.34 and beyond). The Z382 provides a perfor-
mance upgrade to existing Z80- and Z18x-based designs
by utilizing the increased bandwidth of the 380C proces-
sor. The Z8L382 is a low voltage version of the device.
Note:
Z380-compatible CPU core which is embedded in the
Z382.
In this document the notation ò380Có denotes the
The 380C microprocessor is a high-performance proces-
sor with fast and efficient throughput and increased mem-
ory addressing capabilities. The 380C offers a continuing
growth path for present Z80- or Z18x-based designs, while
maintaining Z80 and Z180 object code compatibility. Its en-
hancements include added instructions, expanded16 MB
address space and flexible bus interface timing.
In the 380C, the basic addressing modes of the Z80 micro-
processor have been augmented to include Stack Pointer
Relative loads and stores, 16-bit and 24-bit indexed off-
sets, and more flexible Indirect Register addressing. Inter-
nally, all of the addressing modes allow up to 32-bit linear
addressing; however, because the Z382 has only 24 ad-
dress pins, it can only address 16 MB of memory.
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