
MB91460D Series
7
■ PIN DESCRIPTION
1.
MB91F465DA, MB91F467Dx
(Continued)
Pin no.
Pin name
I/O
I/O circuit
type*
Function
2 to 9
P01_0 to P01_7
I/O
A
General-purpose input/output ports
D16 to D23
Signal pins of external data bus (bit16 to bit23)
10 to 17
P00_0 to P00_7
I/O
A
General-purpose input/output ports
D24 to D31
Signal pins of external data bus (bit24 to bit31)
18 to 25
P07_0 to P07_7
I/O
A
General-purpose input/output ports
A0 to A7
Signal pins of external address bus (bit0 to bit7)
28 to 35
P06_0 to P06_7
I/O
A
General-purpose input/output ports
A8 to A15
Signal pins of external address bus (bit8 to bit15)
36 to 43
P05_0 to P05_7
I/O
A
General-purpose input/output ports
A16 to A23
Signal pins of external address bus (bit16 to bit23)
44, 45
P04_0, P04_1
I/O
A
General-purpose input/output ports
A24, A25
Signal pins of external address bus (bit24, bit25)
46 to 49
P08_0 to P08_3
I/O
A
General-purpose input/output ports
WRX0 to WRX3
External write strobe output pins
50
P08_4
I/O
A
General-purpose input/output port
RDX
External read strobe output pin
51
P08_5
I/O
A
General-purpose input/output port
BGRNTX
External bus release reception output pin
54
P08_6
I/O
A
General-purpose input/output port
BRQ
External bus release request input pin
55
P08_7
I/O
A
General-purpose input/output port
RDY
External ready input pin
56 to 59
P09_0 to P09_3
I/O
A
General-purpose input/output ports
CSX0 to CSX3
Chip select output pins
60, 61
P09_6, P09_7
I/O
A
General-purpose input/output ports
CSX6, CSX7
Chip select output pins
62
P10_1
I/O
A
General-purpose input/output port
ASX
Address strobe output pin
63
P10_2
I/O
A
General-purpose input/output port
BAAX
Burst address advance output pin
64
P10_3
I/O
A
General-purpose input/output port
WEX
Write enable output pin
65
P10_4
I/O
A
General-purpose input/output port
MCLKO
Clock output pin for memory