DS07-16301-4E Datasheet, PDF (6/99 Pages) Fujitsu Component Limited. – 32-bit RISC Microcontroller CMOS FR30 Series

MB91101/MB91101A
s PIN DESCRIPTION
Pin no.
LQFP*¹ QFP*²
25 to 32 28 to 35
Pin name
D16 to D23
P20 to P27
33 to 39,
41
42,
44 to 58
36 to 42,
44
45,
47 to 61
59 to 64, 62 to 67,
66,
69,
67
70
68
71
D24 to D30,
D31
A00,
A01 to A15
A16 to A21,
A22,
A23
P60 to P65,
P66,
P67
A24
EOP0
19
22
RDY
P80
BGRNT
20
23
P81
21
24
22
25
BRQ
P82
RD
23
26
WR0
24
27
*1: FPT-100P-M05
*2: FPT-100P-M06
WR1
P85
Circuit
type
Description
Bit 16 to bit 23 of external data bus
C _{Can be configured as I/O ports when external data bus width is}
set to 8-bit.
C Bit 24 to bit 31 of external data bus
F Bit 00 to bit 15 of external address bus
Bit 16 to bit 23 of external address bus
F
Can be configured as I/O ports when not used as address bus.
Bit 24 of external address bus
L _{Can be configured as DMAC EOP output (ch. 0) when DMAC}
EOP output is enabled.
External ready input
C ^{Inputs “0” when bus cycle is being executed and not completed.}
Can be configured as a port when RDY is not used.
External bus release acknowledge output
F ^{Outputs “L” level when external bus is released.}
Can be configured as a port when BGRNT is not used.
External bus release request input
C ^{Inputs “1” when release of external bus is required.}
Can be configured as a port when BRQ is not used.
L Read strobe output pin for external bus
Write strobe output pin for external bus
Relation between control signals and effective byte locations is
L ^{as follows:}
16-bit bus width 8-bit bus width
D15 to D08
WR0
WR0
D07 to D00
WR1
(I/O port enabled)
WR1 is High-Z during resetting.
F _{Attach an external pull-up resister when using at 16-bit bus}
width.
Can be configured as a port when WR1 is not used.
(Continued)
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