UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 32

• 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

2.1 Pin Function List
power supplies and the pins is shown below.
(1) Port functions (1/2)
32
P00
P01
P02
P03
P04
P05
P06
P10
P11
P12
P13
P14
P15
P16
P17
P20 to P27
P30
P31
P32
P33
Function Name
There are three types of pin I/O buffer power supplies: AV
Notes 1. Available only in the
2.
µ
PD78F0537D only
I/O
I/O
I/O
I/O
I/O
AV
EV
V
Port 0.
7-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 1.
8-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 2.
8-bit I/O port.
Input/output can be specified in 1-bit units.
Port 3.
4-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.
Power Supply
DD
REF
DD
µ
PD78F0534, 78F0535, 78F0536, 78F0537, and 78F0537D.
Table 2-1. Pin I/O Buffer Power Supplies
CHAPTER 2 PIN FUNCTIONS
P20 to P27
Port pins other than P20 to P27 and P121 to P124
• P121 to P124
• Pins other than port
User’s Manual U17260EJ6V0UD
Function
Corresponding Pins
REF
, EV
DD
, and V
DD
. The relationship between these
Input port
Input port
Analog input
Input port
After Reset
Alternate Function
TI000
TI010/TO00
SO11
SI11
SCK11
TI001
SSI11
TI011
TO01
SCK10/TxD0
SI10/RxD0
SO10
TxD6
RxD6
TOH0
TOH1/INTP5
TI50/TO50
ANI0 to ANI7
INTP1
INTP2/OCD1A
INTP3/OCD1B
TI51/TO51/INTP4
Note 1
Note 1
Note 1
Note 1
Note 1
Note 1
Note 1
/
/
Note 2
Note 2