전자부품 데이터시트 검색엔진 |
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KMPC875CZT133 데이터시트(PDF) 3 Page - Freescale Semiconductor, Inc |
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KMPC875CZT133 데이터시트(HTML) 3 Page - Freescale Semiconductor, Inc |
3 / 84 page MPC875/MPC870 Hardware Specifications, Rev. 3.0 Freescale Semiconductor PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE 3 Features — Boot chip-select available at reset (options for 8-, 16-, or 32-bit memory) — Variable block sizes (32 Kbyte–256 Mbyte) — Selectable write protection — On-chip bus arbitration logic • General-purpose timers — Four 16-bit timers or two 32-bit timers — Gate mode can enable/disable counting. — Interrupt can be masked on reference match and event capture • Two fast Ethernet controllers (FEC)—Two 10/100 Mbps Ethernet/IEEE 802.3 CDMA/CS that interface through MII and/or RMII interfaces • System integration unit (SIU) — Bus monitor — Software watchdog — Periodic interrupt timer (PIT) — Clock synthesizer — Decrementer and time base — Reset controller — IEEE 1149.1 test access port (JTAG) • Security engine is optimized to handle all the algorithms associated with IPsec, SSL/TLS, SRTP, 802.11i, and iSCSI processing. Available on the MPC875, the security engine contains a crypto-channel, a controller, and a set of crypto hardware accelerators (CHAs). The CHAs are: — Data encryption standard execution unit (DEU) – DES, 3DES – Two key (K1, K2, K1) or three key (K1, K2, K3) – ECB and CBC modes for both DES and 3DES — Advanced encryption standard unit (AESU) – Implements the Rinjdael symmetric key cipher – ECB, CBC, and counter modes – 128-, 192-, and 256-bit key lengths — Message digest execution unit (MDEU) – SHA with 160- or 256-bit message digest – MD5 with 128-bit message digest – HMAC with either algorithm — Master/slave logic, with DMA – 32-bit address/32-bit data – Operation at 8xx bus frequency — Crypto-channel supporting multi-command descriptors – Integrated controller managing crypto-execution units – Buffer size of 256 bytes for each execution unit, with flow control for large data sizes • Interrupts — Six external interrupt request (IRQ) lines |
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