參數(shù)資料
型號: UPD70F3134AGJ-UEN
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): 61/99頁
文件大?。?/td> 528K
代理商: UPD70F3134AGJ-UEN
CHAPTER 4 CONFIGURATION EXAMPLES OF FPGA INTEGRATION
Application Note U17121EJ1V1AN
61
4.5 FPGA Top Pin Configuration
The connection diagram of the PCI host bridge macro pins in an FPGA is shown below.
4.5.1 Internal connection diagram of external bus interface
FPGA top
I_SRST_B
PCI host
bridge macro
I_CPU_CS0_B
I_CPU_CS1_B
I_CPU_CS2_B
I_CPU_WE_B
I_CPU_ADR1 to I_CPU_ADR19
I/O buffer
A1 to A25
RESET
CS6
VBRESETZ
CS6
RA0
RA1 to RA25
E
A0
Selector
Address
decoder
O_SD_ADR1 to O_SD_ADR25
I_CPU_DATA0 to I_CPU_DATA31
I_SD_DATA0 to I_SD_DATA31
O_CPU_DATA0 to O_CPU_DATA31
O_SD_DQM_B0 to O_SD_DQM_B3
I_CPU_BE_B0 to I_CPU_BE_B3
O_SD_DATA0 to O_SD_DATA31
I_CPU_OE_B
O_SD_WR_B
O_CPU_WAIT_B
I_HOLDACK_B
I_SDCLK
O_PCIHOST_INT
O_HOLDRQ_B
O_SD_CKE
O_SD_CS_B
O_SD_RAS_B
O_SD_CAS_B
EN_SD_CTL
Selector
EN_CPU_DATA
EN_SD_DATA0, EN_SD_DATA1
I_SRST_B
RDZ
RD
WRZ
D0 to D31
RD0 to RD31
DQM0 to DQM3
BENZ0 to BENZ3
xxBE/xxDQM
WE/WR
WAITZ
WAIT
INT0
INTP10
HLDRQZ
HLDRQ
HLDAKZ
HLDAK
SDCASZ
SDCAS
SDCLK
BUSCLK
SDCKE
SDCKE
SDCSZ
CS3
SDRASZ
SDRAS
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