upd78f0148m1gka1-9eu Renesas Electronics Corporation., upd78f0148m1gka1-9eu Datasheet - Page 42

• Manufacturer Part Number: upd78f0148m1gka1-9eu
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

2.2.4
timer I/O.
(1) Port mode
(2) Control mode
2.2.5
(1) Port mode
(2) Control mode
2.2.6
(1) Port mode
(2) Control mode
42
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.
P40 to P47 function as an 8-bit I/O port. These pins also function as address/data bus pins.
The following operation modes can be specified.
P50 to P57 function as an 8-bit I/O port. These pins also function as address bus pins.
The following operation modes can be specified.
Caution The external bus interface function cannot be used in (A1) grade products and (A2) grade
Caution The external bus interface function cannot be used in (A1) grade products and (A2) grade
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
P40 to P47 function as an 8-bit I/O port. P40 to P47 can be set to input or output in 1-bit units using port mode
register 4 (PM4). Use of an on-chip pull-up resistor can be specified by pull-up resistor option register 4 (PU4).
P40 to P47 function as the pins for the lower address/data bus (AD0 to AD7) in external memory expansion
mode.
P50 to P57 function as an 8-bit I/O port. P50 to P57 can be set to input or output in 1-bit units using port mode
register 5 (PM5). Use of an on-chip pull-up resistor can be specified by pull-up resistor option register 5 (PU5).
P50 to P57 function as the pins for the higher address bus (A8 to A15) in external memory expansion mode.
P30 to P33 (port 3)
P40 to P47 (port 4)
P50 to P57 (port 5)
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.
products.
products.
CHAPTER 2 PIN FUNCTIONS
User’s Manual U15947EJ3V1UD