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MPC7445 bảng dữ liệu(PDF) 29 Page - Freescale Semiconductor, Inc

tên linh kiện MPC7445
Giải thích chi tiết về linh kiện  RISC Microprocessor Hardware Specifications
PDF  64 Pages
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nhà sản xuất  FREESCALE [Freescale Semiconductor, Inc]
Trang chủ  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

MPC7445 bảng dữ liệu(HTML) 29 Page - Freescale Semiconductor, Inc

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MPC7455 RISC Microprocessor Hardware Specifications, Rev. 4.1
Freescale Semiconductor
29
Electrical and Thermal Characteristics
Figure 11 shows the typical connection diagram for the MPC7455 interfaced to PB2 SRAMs, such as the Freescale
MCM63R737, or late write SRAMs, such as the Freescale 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
K
SS
SW
ZZ
G
SRAM 0
DQ[0:17]
DQ[18:36]
L3_CNTL[1]
GVDD/2
1
GND
GND
SRAM 1
GVDD/2
1
GND
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
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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