參數(shù)資料
型號： MPC7410RX400LD
廠商： MOTOROLA INC
元件分類： 微控制器/微處理器
英文描述： 32-BIT, 400 MHz, RISC PROCESSOR, CBGA360
封裝： 25 X 25 MM, 3.20 MM HEIGHT, 1.27 MM PITCH, CERAMIC, BGA-360
文件頁數(shù)： 30/52頁
文件大小： 943K
代理商： MPC7410RX400LD
36
MPC7410 RISC Microprocessor Hardware Specifications
MOTOROLA
System Design Information
RP and RN are designed to be close to each other in value. Then, Z0 = (RP + RN)/2. Figure 22 describes the
alternate driver impedance measurement circuit.
Figure 22. Alternate Driver Impedance Measurement Circuit
Table 15 summarizes the signal impedance results. The driver impedance values were characterized at 0°,
65°, and 105°C. The impedance increases with junction temperature and is relatively unaffected by bus
voltage.
1.8.6
Pull-Up Resistor Requirements
The MPC7410 requires pull-up resistors (1 k
–5 k) on several control pins of the bus interface to maintain
the control signals in the negated state after they have been actively negated and released by the MPC7410
or other bus masters. These pins are: TS, ARTRY, SHDO, SHD1.
Four test pins also require pull-up resistors (100
1k). These pins are CHK, L1_TSTCLK,
L2_TSTCLK, and LSSD_MODE. These signals are for factory use only and must be pulled up to
OVDD for normal machine operation.
If pull-down resistors are used to configure BVSEL or L2VSEL, the resistors should be less than 250
(see
Table 12). Because PLL_CFG[0:3] must remain stable during normal operation, strong pull-up and
pull-down resistors (1 k
or less) are recommended to configure these signals in order to protect against
erroneous switching due to ground bounce, power supply noise or noise coupling.
In addition, CKSTP_OUT is an open-drain style output that requires a pull-up resistor (1 k
–5 k) if it is
used by the system. The CKSTP_IN signal should likewise be pulled up through a pull-up resistor
(1 k
–5 k) to prevent erroneous assertions of this signal.
During inactive periods on the bus, the address and transfer attributes may not be driven by any master and
may, therefore, float in the high-impedance state for relatively long periods of time. Since the MPC7410
must continually monitor these signals for snooping, this float condition may cause excessive power draw
Table 15. Impedance Characteristics
VDD = 1.8 V, OVDD = 2.5 V, Tj = 0° – 105°C
Impedance
Processor Bus
L2 Bus
Symbol
Unit
RN
41.5–54.3
42.7–54.1
Z0
RP
37.3–55.3
39.3–50.0
Z0
(L2)OVDD
BGA
Data
Pin
Vforce
OGND
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MPC7410RX400LE 功能描述:微處理器 - MPU REV 1.4 1.8+/-.05V 105C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
MPC7410RX400NE 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MPC7410 RISC Microprocessor Hardware Specifications Addendum
MPC7410RX450NE 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:MPC7410 RISC Microprocessor Hardware Specifications Addendum
MPC7410RX500LE 功能描述:IC MPU 32BIT 500MHZ PPC 360-CBGA RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:MPC74xx 標準包裝:2 系列:MPC8xx 處理器類型:32-位 MPC8xx PowerQUICC 特點:- 速度:133MHz 電壓:3.3V 安裝類型:表面貼裝 封裝/外殼:357-BBGA 供應商設備封裝:357-PBGA（25x25） 包裝:托盤
MPC7410THX400LE 功能描述:微處理器 - MPU NT HITCE RV1.4 1.8V -40C RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:536 MHz 程序存儲器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:FBGA-324
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