參數(shù)資料
型號(hào)： TSPC860XRVZQU66D
廠商： Atmel Corp.
英文描述： Integrated Communication Processor
中文描述： 綜合通信處理器
文件頁數(shù)： 84/93頁
文件大?。?/td> 1601K
代理商： TSPC860XRVZQU66D
84
TSPC860 [Preliminary]
2129B–HIREL–12/04
Communications Processor
Module (CPM)
The TSPC860 PowerQUICC is the next generation TS68EN360 QUICC and like its pre-
decessor implements a dual processor architecture. This dual processor architecture
provides both a high performance general purpose processor for application program-
ming use as well as a special purpose communication processor (CPM) uniquely
designed for communications needs.
The CPM contains features that allow the TSPC860 PowerQUICC to excel in communi-
cations and networking products as did the TS68EN360 QUICC which preceded it.
These features may be divided into three sub-groups:
Communications Processor (CP)
Sixteen Independent DMA (SDMA) Controllers
Four General-Purpose Timers
The CP provides the communication features of the TSPC860 PowerQUICC. Included
are a RISC processor, four Serial Communication Controllers (SCC) four Serial Man-
agement Controllers (SMC), one Serial Peripheral Interface (SPI), one I
2
Interface, 5
kilobytes of dual-port RAM, an interrupt controller, a time slot assigner, three parallel
ports, a parallel interface port, four independent baud rate generators, and sixteen serial
DMA channels to support the SCCs, SMCs, SPI, and I
2
C.
The SDMAs provide two channels of general-purpose DMA capability for each commu-
nications channel. They offer high-speed transfers, 32-bit data movement, buffer
chaining, and independent request and acknowledge logic.
The four general-purpose timers on the CPM are identical to the timers found on the
MC68360 and still support the internal cascading of two timers to form a 32-bit timer.
The TSPC860 PowerQUICC maintains the best features of the TS68EN360 QUICC,
while making changes required to provide for the increased flexibility, integration, and
performance requested by customers demanding the performance of the powerPC
architecture. The addition of a Multiply-And-Accumulate (MAC) function on the CPM fur-
ther enhances the TSPC860 PowerQUICC, enabling various modem and DSP
applications. Because the CPM architectural approach remains intact between the
TSPC860 PowerQUICC and the TS68EN360 QUICC, a user of the TS68EN360 QUICC
can easily become familiar with the TSPC860 PowerQUICC.
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