參數(shù)資料
型號(hào): UPD70F3134AF1-EN4
廠商: NEC Corp.
英文描述: 32-Bit Single-Chip Microcontrollers
中文描述: 32位單芯片微控制器
文件頁(yè)數(shù): 49/99頁(yè)
文件大小: 528K
代理商: UPD70F3134AF1-EN4
CHAPTER 3 SPECIFICATIONS OF PCI HOST BRIDGE MACRO
Application Note U17121EJ1V1AN
49
Figure 3-10. Main Memory (SDRAM) Read Access (8-Burst)
I_SDCLK
O_HOLDREQ_B
I_HOLDACK_B
O_SD_CS_B
O_SD_RAS_B
O_SD_CAS_B
O_SD_WR_B
O_SD_DQM_B0 to
O_SD_DQM_B3
I_SD_DATA0 to
I_SD_DATA31
O_SD_ADR1 to
O_SD_ADR25
1111
1111
RA
RD0 RD1
CA1
CA0
CA2 CA3 CA4 CA5 CA6 CA7
RD2 RD3 RD4 RD5 RD6 RD7
0000
Remark
SDRAM_CTL register WAIT_STATE field = 10, CAS_LATENCY field = 10
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