UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 102

• 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

5.1 Port Functions
power supplies and the pins is shown below.
The functions of each port are shown in Table 5-2.
alternate functions, see CHAPTER 2 PIN FUNCTIONS.
102
There are three types of pin I/O buffer power supplies: AV
78K0/KE2 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
Port 12
Port 14
Port 13
Port 5
Port 6
Port 7
AV
EV
V
Power Supply
DD
REF
DD
Table 5-1. Pin I/O Buffer Power Supplies
CHAPTER 5 PORT FUNCTIONS
P140
P141
P50
P53
P60
P63
P70
P77
P120
P124
P130
P20 to P27
Port pins other than P20 to P27 and P121 to P124
• P121 to P124
• Non-port pins
User’s Manual U17260EJ6V0UD
Figure 5-1. Port Types
Corresponding Pins
REF
, EV
DD
P00
P06
P10
P17
P20
P27
P30
P33
, and V
P40
P43
DD
. The relationship between these
Port 0
Port 1
Port 2
Port 3
Port 4