參數(shù)資料
型號: UPD70F3107AA
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
文件頁數(shù): 48/99頁
文件大?。?/td> 528K
代理商: UPD70F3107AA
CHAPTER 3 SPECIFICATIONS OF PCI HOST BRIDGE MACRO
Application Note U17121EJ1V1AN
48
Figure 3-8. Hold Request/Hold Acknowledge
I_SDCLK
O_HOLDREQ_B
I_HOLDACK_B
EN_SD_CTL
SDRAM control
signal output
Figure 3-9. Main Memory (SDRAM) Write 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
O_SD_DATA0 to
O_SD_DATA31
O_SD_ADR1 to
O_SD_ADR25
1111
1111
RA
WD0 WD1
CA1
CA0
CA2 CA3 CA4 CA5 CA6 CA7
WD2 WD3 WD4 WD5 WD6 WD7
Remark
SDRAM_CTL register WAIT_STATE field = 10, CAS_LATENCY field = 10
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