UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 60

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

2.2.7 P80 to P87 (port 8)
or LCD segment outputs.
(1)
(2)
2.2.8 P90 to P97 (port 9) (78K0/DF2 only)
or LCD segment outputs.
(1)
(2)
58
P80 to P87 function as an 8-bit I/O port. These pins also function as stepper motor controller/driver outputs/inputs
The following operation modes can be specified in 1-bit units.
P90 to P97 function as an 8-bit I/O port. These pins also function as stepper motor controller/driver outputs/inputs
The following operation modes can be specified in 1-bit units.
P80 to P87 function as an 8-bit I/O port. P80 to P87 can be set to input or output in 1-bit units using port mode
register 8 (PM8).
P80 to P87 function as stepper motor controller/driver outputs/inputs or LCD segment outputs.
(a) SEG24 to SEG31 ( PD78F0838, 78F0839, 78F0840, 78F0841, 78F0846, and 78F0847 only)
(b) SM11 to SM14, SM21 to SM24 ( PD78F0836, 78F0837, 78F0842, 78F0843, 78F0844, 78F0845, 78F0848,
(c) ZPD14, ZPD24 ( PD78F0836, 78F0837, 78F0842, 78F0843, 78F0844, 78F0845, 78F0848, and 78F0849
P90 to P97 function as an 8-bit I/O port. P90 to P97 can be set to input or output in 1-bit units using port mode
register 9 (PM9).
P80 to P87 function as stepper motor controller/driver outputs/inputs or LCD segment outputs.
(a) SEG32 to SEG39 ( PD78F0838, 78F0839 only)
(b) SM31 to SM34, SM41 to SM44 ( PD78F0840, 78F0841, 78F0842, 78F0843, 78F0846, 78F0847, 78F0848,
(c) ZPD34, ZPD44 ( PD78F0840, 78F0841, 78F0842, 78F0843, 78F0846, 78F0847, 78F0848, and 78F0849
Port mode
Control mode
Port mode
Control mode
These are the segment signal output pins for the LCD controller/driver.
and 78F0849 only)
These are the output pins for the stepper motor controller/driver.
only)
These are the Zero Point Detection (ZPD) input pins for the stepper motor controller/driver.
These are the segment signal output pins for the LCD controller/driver.
and 78F0849 only)
These are the output pins for the stepper motor controller/driver.
only)
These are the Zero Point Detection (ZPD) input pins for the stepper motor controller/driver.
Preliminary User’s Manual U19748EJ1V0UD
CHAPTER 2 PIN FUNCTIONS