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Section 38 States and Handling of Pins
Page 2048 of 2108 R01UH0134EJ0400 Rev. 4.00
Sep 24, 2014
SH7262 Group, SH7264 Group
Pin Function Pin State
Type Pin Name
Normal State
(Other than
States at
Right)
Power-On
Reset*
1
Pin State Retained*
2
Power-Down State
Bus
Mastership
Release
EBUSKEEPE*
3
(Other
than States at Right)
Power-On
Reset*
4
Deep
Standby
Mode
Software
Standby
Mode 0 1
Interrupt NMI I I I I I I
IRQ7 to IRQ0 I Refer to
table A.2
I I
PINT7 to PINT0 I Z Z I
Address
bus
A25 to A21, A0 O O/Z*
10
O/Z*
10
O/Z*
10
Z
A20 to A1 Boot
mode
0 O Z O O/Z*
10
O/Z*
10
O/Z*
10
Z
1 to 3 O O/Z*
10
O/Z*
10
O/Z*
10
Z
Data bus D15 to D0 Boot
mode
0 I/Z Z I/Z Z Z Z Z
O/Z Z O/Z Z Z Z Z
1 to 3 I/Z Z Z Z
O/Z Z Z Z Z
Bus
control
CS0 Boot
mode
0 O Z O H/Z*
10
H/Z*
10
H/Z*
10
Z
1 to 3 O H/Z*
10
H/Z*
10
H/Z*
10
Z
CS6 to CS1, CE1A, CE1B,
CE2A, CE2B
O H/Z*
10
H/Z*
10
H/Z*
10
Z
RD Boot
mode
0 O Z O H/Z*
10
H/Z*
10
H/Z*
10
Z
1 to 3 O H/Z*
10
H/Z*
10
H/Z*
10
Z
RD/WR O H/Z*
10
H/Z*
10
H/Z*
10
Z
BS O H/Z*
10
H/Z*
10
H/Z*
10
Z
WAIT I Z Z Z
ICIOWR/AH, ICIORD,
WE1/DQMLU/WE,
WE0/DQMLL
O H/Z*
10
H/Z*
10
H/Z*
10
Z
RAS, CAS O O/Z*
11
O/Z*
11
O/Z*
11
O/Z*
11
CKE O O/Z*
11
O/Z*
11
O/Z**
11
O/Z*
11
IOIS16 I Z Z I