66
Chapter 2
Pin Functions
Preliminary User’s Manual U17566EE1V2UM00
D16
I/O
External memory interface data
lines 16 to 31
–
P87
D17
P86
D18
P32
D19
P33
D20
P104
D21
P105
D22
P106
D23
P107
D24
P90
D25
P91
D26
P92
D27
P93
D28
P94
D29
P95
D30
P96
D31
P97
DBD0 to DBD7
I/O
LCD Bus I/F data lines 0 to 7
P90 to P97
DBRD
O
LCD Bus I/F read strobe
P104
DBWR
O
LCD Bus I/F write strobe
P105
DCK
I
N-Wire interface clock
P54
DDI
I
N-Wire interface debug data input
P52
DDO
O
N-Wire interface debug data
output
P53
DMS
I
N-Wire interface debug mode
select input
P55
DRST
I
N-Wire debug interface reset
P05
DVDD50
–
LCD Bus I/F supply voltage
no ports
DVSS50
–
LCD Bus I/F supply ground
no ports
DVDD51
–
LCD Bus I/F, D[31:16] ports
supply voltage
–
no ports
DVSS51
–
LCD Bus I/F, D[31:16] ports
supply ground
–
no ports
FLMD0
I
Primary operating mode select
pin
no ports
FLMD1
I
Secondary operating mode select
pin (flash memory devices only)
P07
FOUT
O
Frequency output
P50, P85
INTP0 to INTP4
I
External interrupts 0 to 6
P00 to P04
INTP5 to INTP6
P06 to P07
INTP7
I
External interrupt 7
–
P50
MVDD50 to
MVDD54
–
External memory interface supply
voltage
–
no ports
Table 2-20
Alphabetic pin functions list (2/5)
Pin name
I/O
Pin function
Port
‘3420, ‘3421
‘3422, ‘3423
‘3424, ‘3425
‘3426
‘3427
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