ml670100 Oki Semiconductor, ml670100 Datasheet - Page 160

• Manufacturer Part Number: ml670100
• Description: Ml670100 Is A High-performance 32-bit Microcontroller
• Manufacturer: Oki Semiconductor

11-4
Core address bus
Core data bus
Figure 11.1 : Block Diagram for External Memory Controller (XMC)
Bus arbitration control unit
DW2CON
DW3CON
DR2CON
DR3CON
AT2CON
AT3CON
PWCON
BWCON
BACON
WICON
OTCON
CTCON
RTCON
RFCON
RCCON
RFTCN
Bus interface
SRAM bank(0 and 1)
control unit
DRAM bank
(2 and 3)
control unit
Refresh control unit
External address bus
nRD
nCASH/nWH
External data bus
nCS0, nCS1
nWRE/nWRL
nCASL/nCAS
nWE/nWL
nHB/nWRH
nRAS0, nRAS1
nEA
nLB/XA0
nXWAIT
nBREQ
DBSEL
nBACK