UPD78F0138 NEC, UPD78F0138 Datasheet - Page 92
UPD78F0138
Manufacturer Part Number
UPD78F0138
Description
(UPD78xxxx) 8-Bit Single-Chip Microcontrollers
Manufacturer
NEC
Datasheet
1.UPD78F0138.pdf
(558 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F0138M1GK-9ET
Manufacturer:
NEC
Quantity:
115
Part Number:
UPD78F0138M5GB
Manufacturer:
NEC
Quantity:
20 000
- Current page: 92 of 558
- Download datasheet (5Mb)
4.2 Port Configuration
92
P120
P130
P140
P141
Control registers
Port
Pull-up resistor
Ports include the following hardware.
Pin Name
Item
I/O
Output
I/O
I/O
Port 12.
1-bit I/O port.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port 13.
1-bit output-only port.
Port 14.
2-bit I/O port.
Input/output can be specified in 1-bit units.
Use of an on-chip pull-up resistor can be specified by a
software setting.
Port mode register (PM0, PM1, PM3 to PM7, PM12, PM14)
Port register (P0 to P7, P12 to P14)
Pull-up resistor option register (PU0, PU1, PU3 to PU5, PU7, PU12, PU14)
Total: 51 (CMOS I/O: 38, CMOS input: 8, CMOS output: 1, N-ch open drain I/O: 4)
• Mask ROM version
• Flash memory version: Total: 38
Total: 42 (software control: 38, mask option specification: 4)
Table 4-2. Port Functions (2/2)
CHAPTER 4 PORT FUNCTIONS
Table 4-3. Port Configuration
User’s Manual U16228EJ2V0UD
Function
Configuration
Input
Output
Input
After Reset
Alternate Function
INTP0
PCL/INTP6
BUZ/INTP7
−
Related parts for UPD78F0138
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
16BIT MCU, 128K FLASH, 8K RAM, SMD
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT UC, 32K FLASH, 1KB RAM, LCD
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT MCU, 60K FLASH, 3KB RAM, CAN
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
8BIT MCU, 4K FLASH, 128B RAM, SMD
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
16/8 bit single-chip microcomputer
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
Dual audio power amp circuit
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
Dual comparator
Manufacturer:
NEC
Datasheet:
Part Number:
Description:
MOS type composite field effect transistor
Manufacturer:
NEC
Datasheet: