UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 128

• 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

5.2.10 Port 13
128
Port 13 is a 1-bit output-only port.
Figure 5-24 shows a block diagram of port 13.
Remark When reset is effected, P130 outputs a low level. If P130 is set to output a high level before reset is
P13:
RD:
WR××: Write signal
effected, the output signal of P130 can be dummy-output as the CPU reset signal.
WR
RD
Port register 13
Read signal
PORT
Reset signal
P130
Output latch
(P130)
P13
Figure 5-24. Block Diagram of P130
CHAPTER 5 PORT FUNCTIONS
User’s Manual U17260EJ6V0UD
Set by software
P130