DS07-16303-3E Datasheet, PDF (59/97 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller CMOS FR30 Series

MB91121
• Block diagram
Address bus
32
Data bus
32
Write buffer
A-OUT
Switch
MUX
Read buffer
Switch
Address buffer
+1 or +2
Inpage
Shifter
ASR
AMR
6
Comparator
8
DRAM control
DMCR
To TBT
Underflow
Refresh counter
3
External pin control block
All blocks control
4
Registers & control
External data bus
DATA BLOCK
ADDRESS BLOCK
External address bus
CS0 to CS5
RAS0, RAS1
CS0L, CS1L
CS0H, CS1H
DW0, DW1
RD
WR0, WR1
BRQ
BGRNT
CLK
RDY
59