upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 87
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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a)
Pin Functions
Register
PM9
PMC9
PLCDC9
P9
PPR9
PDSC9
PICC9
PODC9
µPD70(F)3420, µPD70(F)3421, µPD70(F)3422, µPD70F3423 only
a
Table 2-40
Table 2-41
Address
FFFF F432
FFFF F452
FFFF F352
FFFF F412
FFFF F3D2
FFFF F312
FFFF F392
FFFF F372
a)
P90 (I/O)
P91 (I/O)
P92 (I/O)
P93 (I/O)
P94 (I/O)
P95 (I/O)
P96 (I/O)
P97 (I/O)
(PMCnm = 0)
Access
2.4.13 Port group 9
Port mode
Note
µPD70(F)3420, µPD70(F)3421, µPD70(F)3422, µPD70F3423 only
H
H
H
H
H
H
H
H
Initial
value
FF
00
00
00
00
00
00
00
Port group 9 is an 8-bit port group. In alternative mode, it comprises pins for
the following functions:
• LCD Bus Interface data lines (DBD0 to DBD7)
• LCD controller segment signal output (SEG36 to SEG39) (µPD70(F)3420,
• LCD controller common signal output (COM0 to COM4) (µPD70(F)3420,
Port group 9 includes the following pins:
Port group 9: pin functions and port types
Though DBD0-7 is a bidirectional bus PMnm must be set to "0", i.e. to output
mode, when the port is used as LCD bus I/F bus DBD0-7. The change of the
direction is performed automatically, when data is read from the external bus.
Port group 9: configuration registers
All 8-bit registers can be accessed in 8-bit or 1-bit units.
Preliminary User’s Manual U17566EE1V2UM00
H
H
H
H
H
H
H
H
µPD70(F)3421, µPD70(F)3422, µPD70F3423 only)
µPD70(F)3421, µPD70(F)3422, µPD70F3423 only)
DBD0
DBD1
DBD2
DBD3
DBD4
DBD5
DBD6
DBD7
Pin functions in different modes
Output mode
(PMnm = 0)
Used bits
PM97
PMC97
PLCDC97
P97
PPR97
PDSC97
PICC97
PODC97
Alternative mode
(PMCnm = 1)
PDSC96
PM96
PMC96
PLCDC96
P96
PPR96
PICC96
PODC96
–
–
–
–
–
–
–
–
Input mode
(PMnm = 1)
PM95
PMC95
PLCDC95
P95
PPR95
PDSC95
PICC95
PODC95
PM94
PMC94
PLCDC94
P94
PPR94
PDSC94
PICC94
PODC94
SEG36
SEG37
SEG38
SEG39
COM0
COM1
COM2
COM3
(PLCDCnm = 1)
LCD mode
a
a
a
a
a
a
a
a
PM93
PMC93
PLCDC93
P93
PPR93
PDSC93
PICC93
PODC93
a
PM92
PMC92
PLCDC92
P92
PPR92
PDSC92
PICC92
PODC92
P90 (I)
P91 (I)
P92 (I)
P93 (I)
P94 (I)
P95 (I)
P96 (I)
P97 (I)
Pin function
after reset
PM91
PMC91
PLCDC91
P91
PPR91
PDSC91
PICC91
PODC91
Chapter 2
Port type
PM90
PMC90
PLCDC90
P90
PPR90
PDSC90
PICC90
PODC90
M
M
M
M
M
M
M
M
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