UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 102

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

5.2.6 Port 6
using port mode register 6 (PM6).
102
Port 6 is a 4-bit I/O port with an output latch. Port 6 can be set to the input mode or output mode in 1-bit units
The P60 to P63 pins are N-ch open-drain pins (6 V tolerance).
Reset signal generation sets port 6 to input mode.
Figure 5-11 shows block diagram of port 6.
P6:
PM6:
RD:
WR××: Write signal
WR
WR
RD
PORT
Port register 6
Port mode register 6
Read signal
PM
PM60 to PM63
(P60 to P63)
Output latch
PM6
P6
Figure 5-11. Block Diagram of P60 to P63
CHAPTER 5 PORT FUNCTIONS
User’s Manual U17554EJ4V0UD
Selector
P60 to P63