UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 91

• 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

5.1 Port Functions
supplies and the pins is shown below.
alternate functions, refer to CHAPTER 2 PIN FUNCTIONS.
There are two types of pin I/O buffer power supplies: AV
78K0/FE2 products are provided with the ports shown in Figure 5-1, which enable variety of control operations.
In addition to the function as digital I/O ports, these ports have several alternate functions. For details of the
The 78K0/FE2 has a total of 55 I/O ports, ports 0, 1, 3 to 9, 12 and 13. The port configuration is shown below.
Port 12
Port 13
Port 9
Port 7
Port 8
AV
EV
V
Power Supply
DD
REF
DD
Table 5-1. Pin I/O Buffer Power Supplies
CHAPTER 5 PORT FUNCTIONS
P80 to P87, P90 to P93
Port pins other than P80 to P87, P90 to P93 and P121 to P124
• P121 to P124
• Non-port pins
P70
P76
P80
P87
P90
P93
P120
P124
P130
P132
User’s Manual U17554EJ4V0UD
Figure 5-1. Port Types
Corresponding Pins
REF
and EV
DD
P00
P01
P05
P06
P10
P17
P30
P33
P40
P43
P50
P53
P60
P63
. The relationship between these power
Port 0
Port 1
Port 3
Port 4
Port 5
Port 6
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