UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 104

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

5.2 Port Configuration
104
P120
P121
P122
P123
P124
P130
P140
P141
Control registers
Port
Pull-up resistor
Function Name
Note
Ports include the following hardware.
µ
PD78F0537D only
Item
I/O
Output
I/O
I/O
Port 12.
5-bit I/O port.
Input/output can be specified in 1-bit units.
Only for P120, 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 to PM7, PM12, PM14)
Port register (P0 to P7, P12 to P14)
Pull-up resistor option register (PU0, PU1, PU3 to PU7, PU12, PU14)
A/D port configuration register (ADPC)
Total: 55 (CMOS I/O: 50, CMOS output: 1, N-ch open drain I/O: 4)
Total: 38
Table 5-2. Port Functions (2/2)
CHAPTER 5 PORT FUNCTIONS
Table 5-3. Port Configuration
User’s Manual U17260EJ6V0UD
Function
Configuration
Input port
Output port
Input port
After Reset
INTP0/EXLVI
X1/OCD0A
X2/EXCLK/OCD0B
XT1
XT2/EXCLKS
PCL/INTP6
BUZ/INTP7
Alternate Function
−
Note
Note