參數(shù)資料
型號(hào): MPC860UM
廠商: Motorola, Inc.
英文描述: SEE A3281LLT-T
中文描述: MPC860的勘誤表到家庭的PowerQUICC⑩用戶手冊(cè),修訂版2
文件頁(yè)數(shù): 4/76頁(yè)
文件大小: 857K
代理商: MPC860UM
4
MPC860 Family Hardware Specifications
MOTOROLA
Features
— Decrementer, time base, and real-time clock (RTC) from the PowerPC
architecture
— Reset controller
— IEEE 1149.1 test access port (JTAG)
Interrupts
— Seven external interrupt request (IRQ) lines
— 12 port pins with interrupt capability
— 23 internal interrupt sources
— Programmable priority between SCCs
— Programmable highest priority request
10/100 Mbps Ethernet support, fully compliant with the IEEE 802.3u Standard (not
available when using ATM over UTOPIA interface)
ATM support compliant with ATM forum UNI 4.0 specification
— Cell processing up to 50–70 Mbps at 50-MHz system clock
— Cell multiplexing/demultiplexing
— Support of AAL5 and AAL0 protocols on a per-VC basis. AAL0 support enables
OAM and software implementation of other protocols).
— ATM pace control (APC) scheduler, providing direct support for constant bit rate
(CBR) and unspecified bit rate (UBR) and providing control mechanisms
enabling software support of available bit rate (ABR)
— Physical interface support for UTOPIA (10/100-Mbps is not supported with this
interface) and byte-aligned serial (for example, T1/E1/ADSL)
— UTOPIA-mode ATM supports level-1 master with cell-level handshake,
multi-PHY (up to 4 physical layer devices), connection to 25-, 51-, or 155-Mbps
framers, and UTOPIA/system clock ratios of 1/2 or 1/3.
— Serial-mode ATM connection supports transmission convergence (TC) function
for T1/E1/ADSL lines; cell delineation; cell payload scrambling/descrambling;
automatic idle/unassigned cell insertion/stripping; header error control (HEC)
generation, checking, and statistics.
Communications processor module (CPM)
— RISC communications processor (CP)
— Communication-specific commands (for example,
ENTER
HUNT
MODE
, and
RESTART
TRANSMIT
— Supports continuous mode transmission and reception on all serial channels
— Up to 8Kbytes of dual-port RAM
— 16 serial DMA (SDMA) channels
GRACEFUL
STOP
TRANSMIT
,
)
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