參數(shù)資料
型號(hào): TMPR3922AU
廠商: Toshiba Corporation
英文描述: 32-bit RISC Microprocessor for PDA(Personal Digital Assistants)(32位 精簡(jiǎn)指令集系統(tǒng)計(jì)算機(jī)微處理器,用于掌上電腦PDA)
中文描述: 32位RISC微處理器的PDA(個(gè)人數(shù)字助理)(32位精簡(jiǎn)指令集系統(tǒng)計(jì)算機(jī)微處理器,用于掌上電腦PDA)的
文件頁(yè)數(shù): 4/45頁(yè)
文件大?。?/td> 343K
代理商: TMPR3922AU
2-FEB-1999
4
/
45
TMPR3922AU
3.3 MEMORY CONNECTIONS
D [31:0] Data Bus and CAS* signals change the name of the pins in the Little Endian mode as follows.
D [31:24]
becomes
D[7:0]
D [23:16]
becomes
D[15:8]
D [15:8]
becomes
D[23:16]
D [7:0]
becomes
D[31:24]
CAS3*
CAS2*
CAS1*
CAS0*
becomes
becomes
becomes
becomes
CAS0*
CAS1*
CAS2*
CAS3*
<Note>
The connection between the TMPR3922AU and Memory depends on the endianess.
3.3.1 MEMORY CONNECTIONS (Big Endian)
Big Endian
Bank0
TMPR3922AU
D[31] 133 D[31]
D[24] 145 D[24]
D[23] 146 D[23]
D[16] 159 D[16]
D[15] 27 D[15]
D[8] 16 D[8]
D[7] 14 D[7]
D[0] 2 D[0]
CAS3* 195 CAS3*
CAS2* 197 CAS2*
CAS1* 198 CAS1*
CAS0* 199 CAS0*
RAS0* 194 RAS0*
WE* 169 WE*
A[12:0] A[12:0]
CAS1* CASHI*
CAS0* CASLO*
RAS0* RAS*
WE* WE*
A[12:0] ADDR
DATA D[15:0]
DATA D[31:0]
CAS3* CAS HI*
CAS2* CAS MH*
CAS1* CAS ML*
CAS0* CAS LO*
RAS0* RAS*
WE* WE*
A[12:0] ADDR
Bank1
Pin No.
32bit
16bit
DRAM
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