參數(shù)資料
型號(hào): MC7445ARX933LG
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 933 MHz, RISC PROCESSOR, CBGA360
封裝: 25 X 25 MM, 1.27 MM PITCH, CERAMIC, BGA-360
文件頁數(shù): 22/68頁
文件大?。?/td> 1609K
代理商: MC7445ARX933LG
MOTOROLA
MPC7455 RISC Microprocessor Hardware Specifications
29
Electrical and Thermal Characteristics
Figure 11 shows the typical connection diagram for the MPC7455 interfaced to PB2 SRAMs, such as the
Motorola MCM63R737, or late write SRAMs, such as the Motorola MCM63R836A.
Figure 11. Typical Synchronous 1-MByte L3 Cache Late Write or PB2 Interface
L3_ADDR[16:0]
L3_CNTL[0]
SA[16:0]
K
SS
SW
ZZ
G
SRAM 0
DQ[0:17]
DQ[18:36]
L3_CNTL[1]
GVDD/2
1
GND
SRAM 1
GVDD/2
1
GND
{L3_DATA[0:15],
{L3_DATA[16:31],
{L3_DATA[32:47],
L3_CLK[0]
L3_CLK[1]
L3_ECHO_CLK[0]
L3_ECHO_CLK[1]
L3_ECHO_CLK[2]
{L3_DATA[48:63],
L3_DP[0:1]}
L3_DP[2:3]}
L3_DP[4:5]}
L3_DP[6:7]}
Denotes
Receive (SRAM
to MPC7455)
Aligned Signals
MPC7455
Denotes
Transmit
(MPC7455 to
SRAM)
Aligned Signals
L3_ECHO_CLK[3]
SA[16:0]
K
SS
SW
ZZ
G
DQ[0:17]
DQ[18:36]
Note:
1. Or as recommended by SRAM manufacturer for single-ended clocking.
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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