upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 85

• Manufacturer Part Number: upd70f3422gj-gae-qs-ax
• Description: 32-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

Pin Functions
Table 2-38
a)
b)
P80 (I/O)
P81 (I/O)
P82 (I/O)
P83 (I/O)
P84 (I/O)
P85 (I/O)
P86 (I/O)
P87 (I/O)
(PMCnm = 0)
2.4.12 Port group 8
Port mode
Note
µPD70(F)3420, µPD70(F)3421, µPD70(F)3422, µPD70F3423 only
µPD70F3424, µPD70F3425, µPD70F3426, µPD70F3427 only
Port group 8 is an 8-bit port group. In alternative mode, it comprises pins for
the following functions:
• Clocked Serial Interface CSIB2 data/clock line (SIB2, SOB2, SCKB2)
• LCD controller segment signal output (SEG23 to SEG28, SEG30)
• Frequency output (FOUT)
• UARTA0 transmit/receive data (TXDA0, RXDA0)
Port group 8 includes the following pins:
Port group 8: pin functions and port types
1.
2.
Preliminary User’s Manual U17566EE1V2UM00
(µPD70F3424, µPD70F3425, µPD70F3426, µPD70F3427 only)
(µPD70(F)3420, µPD70(F)3421, µPD70(F)3422, µPD70F3423 only)
For pins that support only one alternative output mode, the PFCnm bit is
not available.
The alternative input function of UART0 is provided on two pins. Thus you
can select on which pin the alternative function should appear.
Refer to “Alternative input selection“ on page 50.
–
SOB2
SCKB2
–
–
FOUT
TXDA0
–
Pin functions in different modes
Output mode
(PMnm = 0)
b
b
Alternative mode
(PMCnm = 1)
SIB2
–
SCKB2
–
–
–
–
RXDA0
Input mode
(PMnm = 1)
b
b
SEG26
SEG25
SEG24
SEG23
–
SEG27
SEG30
SEG28
(PLCDCnm = 1)
LCD mode
a
a
a
a
a
a
a
a
P80 (I)
P81 (I)
P82 (I)
P83 (I)
P84 (I)
P85 (I)
P86 (I)
P87 (I)
Pin function
after reset
Chapter 2
Port type
M
M
M
M
M
M
M
M
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