IXXBB1 Fujitsu Microelectronics, Inc., IXXBB1 Datasheet - Page 125

• Manufacturer Part Number: IXXBB1
• Description: 32-bit Proprietary Microcontroller Cmos Fr60 Mb91301 Series
• Manufacturer: Fujitsu Microelectronics, Inc.

• Pin Status List (External bus : 16 bit bus width)
Pin no.
18 to 25
45 to 52
55 to 62
64 to 67
76 to 79
8 to 15
1 to 5
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
68
69
70
71
P13 to P17
P20 to P27
P30 to P37
P40 to P47
P50 to P57
P60 to P63
name
Port
P80
P81
P82
P83
P84
P85
P86
P87
P90
P91
P92
P93
P94
P95
P96
P64
P65
P66
P67
⎯
DQMUU/WR0 DQMUU/WR0 DQMUU/WR0
DQMUL/WR1
DQMLU/WR2
DQMLL/WR3
SRAS/LBA/
AN3 to AN0
Specified
D11 to D15
D16 to D23
D24 to D31
SCAS/BAA
A00 to A07
A08 to A15
A16 to A19
A20/SDA0
A22/SDA1
function
A21/SCL0
A23/SCL1
SWE/WR
SYSCLK
BGRNT
MCLKE
name
MCLK
RDY
BRQ
RD
AS
⎯
DQMUL/WR1
Bus width
AN3 to AN0
D16 to D23
D24 to D31
Function
P13 to P17
A00 to A07
A08 to A15
A16 to A19
SYSCLK
MCLKE
name
16 bit
MCLK
P80
P81
P82
P86
P87
P93
P94
P95
P96
A20
A21
A22
A23
RD
Bus width
AN3 to AN0
D24 to D31
P13 to P17
P20 to P27
A00 to A07
A08 to A15
A16 to A19
At initialization (INIT)
Function
SYSCLK
MCLKE
name
MCLK
8 bit
P80
P81
P82
P85
P86
P87
P93
P94
P95
P96
A20
A21
A22
A23
RD
Output Hi-Z
Input ready
Output Hi-Z
Input ready
H output
F : H output
Asserted
Negated
H output
Asserted
Negated
Output Hi-Z
Input ready
Output Hi-Z
Input ready
Output Hi-Z
Input ready
Output Hi-Z
Input ready
FF output
input invalid
: L output
: CLK output
: L output
: CLK output
Initial
value
P : Previous
F : Output
P : Previous
F : RDY input
P : Previous
F : H output
P : Previous
F : BRQ
P : Previous
F : H output
P : Previous
F : SYSCLK
F : L output
P : Previous
F : H output
Previous
state held
P : Previous
F : H output
P : Previous
F : H output
P : Previous
F : SWE out-
P : Previous
F : Address
Previous
state held
Sleep
mode
state held
state held
input in-
valid
state held
state held
state held
output
state held
state held
state held
put
state held
state
held
output
state
held
held or
Hi-Z
P : Previous
F : Output
Previous
state held
Previous
state held
P : Previous
F : H or L
F : L output
P : Previous
F : H output
Previous
state held
H output
H output
Previous
state held
The same as
stated left
input invalid
HIZ = 0
state held
output
state held
held or
Hi-Z
state held
MB91301 Series
Stop mode
Output Hi-
Z/input 0
fixed
Output Hi-
Z/input 0
fixed
Output Hi-
Z/input 0
fixed
F : Output
F : Output
Previous
state held
Output Hi-Z Output Hi-Z F : H output
Output Hi-Z Output Hi-Z H output
Output Hi-
Z/input 0
fixed
Output Hi-
Z/input 0
fixed
input invalid
HIZ = 1
Hi-Z
Hi-Z
Output Hi-Z Output Hi-Z
P : Previ-
F : RDY
L output
BRQ input
Output Hi-Z Output Hi-Z
F : CLK
Output Hi-Z H output
Output Hi-Z
Output Hi-Z Output Hi-Z
Output Hi-Z
Output Hi-Z Output Hi-Z
Previous
state held
shared
ous
state
held
input
output
CS
Bus released
(BGRNT)
(Continued)
P : Previ-
F : RDY
L output
BRQ input
F : CLK
F : CLK
Previous
state held
Previous
state held
CS not
shared
ous
state
held
input
output
output
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