upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 38
upd78f0124m6gba1-8et
Manufacturer Part Number
upd78f0124m6gba1-8et
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0124M6GBA1-8ET.pdf
(545 pages)
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2.2.3 P20 to P27 (port 2)
(1) Port mode
(2) Control mode
2.2.4 P30 to P33 (port 3)
timer I/O.
(1) Port mode
(2) Control mode
38
P20 to P27 function as an 8-bit input-only port. These pins also function as pins for A/D converter analog input.
The following operation modes can be specified in 1-bit units.
P30 to P33 function as a 4-bit I/O port. These pins also function as pins for external interrupt request input and
The following operation modes can be specified in 1-bit units.
(e) TxD0, TxD6
(f) TI50
(g) TO50, TOH0, and TOH1
(h) INTP5
P20 to P27 function as an 8-bit input-only port.
P20 to P27 function as A/D converter analog input pins (ANI0 to ANI7). When using these pins as analog input
pins, see (5) ANI0/P20 to ANI7/P27 in 12.6 Cautions for A/D Converter.
P30 to P33 function as a 4-bit I/O port. P30 to P33 can be set to input or output in 1-bit units using port mode
register 3 (PM3). Use of an on-chip pull-up resistor can be specified by pull-up resistor option register 3 (PU3).
P30 to P33 function as external interrupt request input pins and timer I/O pins.
(a) INTP1 to INTP4
(b) TI51
(c) TO51
These are serial data output pins of the asynchronous serial interface.
This is a pin for inputting an external count clock to 8-bit timer/event counter 50.
These are timer output pins.
This is an external interrupt request input pin for which the valid edge (rising edge, falling edge, or both rising
and falling edges) can be specified.
These are the external interrupt request input pins for which the valid edge (rising edge, falling edge, or both
rising and falling edges) can be specified.
This is an external count clock input pin to 8-bit timer/event counter 51.
This is a timer output pin.
CHAPTER 2 PIN FUNCTIONS
User’s Manual U16315EJ3V1UD
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