upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 76
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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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Chapter 2
76
P30 (I/O)
P31 (I/O)
P32 (I/O)
P33 (I/O)
P34 (I/O)
P35 (I/O)
P36 (I/O)
P37 (I/O)
(PMCnm = 0)
Port mode
µPD70(F)3420, µPD70(F)3421, µPD70(F)3422, µPD70F3423 only
In I
PODC3.PODC31 = 1). Thus output function is enabled automatically, although PMnm = 1.
2
C function mode open drain emulation has to be enabled (PODC3.PODC30 = 1 and
Table 2-28
TXDA0
SCL1
TXDA1
–
TOP01
TOP21
TOP31
TOP11
2.4.7 Port group 3
Note
PFCnm = 0
Output mode (PMnm = 0)
ALT1-OUT
b
Pin functions in different modes
Port group 3: pin functions and port types
Port group 3 is an 8-bit port group. In alternative mode, it comprises pins for
the following functions:
• UARTA0 transmit/receive data (TXDA0, RXDA0)
• UARTA1 transmit/receive data (TXDA1, RXDA1)
• I
• LCD controller segment signal output (SEG8 to SEG11, SEG29, SEG31)
• Timer TMG2 channels (TIG21 to TIG24, TOG21 to TOG24)
• Timer TMP0 to TMP3 channels (TOP01 to TOP31) (µPD70F3424,
Port group 3 includes the following pins:
1.
2.
Preliminary User’s Manual U17566EE1V2UM00
(µPD70(F)3420, µPD70(F)3421, µPD70(F)3422, µPD70F3423 only)
µPD70F3425, µPD70F3426, µPD70F3427 only)
2
For pins that support only one alternative output mode, the PFCnm bit is
not available.
Alternative input functions of I
each. Thus you can select on which pin the alternative function should
appear. If alternative functions SDA1/SCL1 are used at P30/31 make sure
to set also PFSR0.PFSR05 = 1.
Refer to “Alternative input selection“ on page 50.
C1 data/clock line (SDA1, SCL1)
Alternative mode
SDA1
TOG21
TOG22
TOG23
TOG24
(PMCnm = 1)
PFCnm = 1
ALT2-OUT
b
RXDA1
SDA1
RXDA0/SCL1
–
–
TIG22
TIG23
TIG24
Input mode
(PMnm = 1)
2
C1 (SDA1, SCL1) are provided on two pins
–
–
SEG31
SEG29
SEG8
SEG9
SEG10
SEG11
(PLCDCnm = 1)
LCD mode
a
a
a
a
a
a
a
P30 (I)
P31 (I)
P32 (I)
P33 (I)
P34 (I)
P35 (I)
P36 (I)
P37 (I)
Pin function
after reset
Pin Functions
Port type
M
M
M
M
M
M
M
M
x
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