DS07-16301-4E Datasheet, PDF (59/99 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller CMOS FR30 Series

MB91101/MB91101A
• 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 and 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