UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 35

• 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) Non-port pins (2/2)
TO50
TO51
TOH0
TOH1
PCL
BUZ
ANI0 to ANI7
AV
AV
KR0 to KR7
REGC
RESET
EXLVI
X1
X2
EXCLK
XT1
XT2
EXCLKS
V
EV
V
EV
FLMD0
OCD0A
OCD1A
OCD0B
OCD1B
Function Name
DD
SS
Note
REF
SS
DD
SS
Note
Note
Note
Note
µ
PD78F0537D only
Output
Output
Output
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
I/O
−
−
−
−
−
−
−
−
−
−
8-bit timer/event counter 50 output
8-bit timer/event counter 51 output
8-bit timer H0 output
8-bit timer H1 output
Clock output (for trimming of high-speed system clock,
subsystem clock)
Buzzer output
A/D converter analog input
A/D converter reference voltage input and positive power
supply for P20 to P27 and A/D converter
A/D converter ground potential. Make the same potential as
V
Key interrupt input
Connecting regulator output (2.5 V) stabilization capacitance
for internal operation.
Connect to V
System reset input
Potential input for external low-voltage detection
Connecting resonator for main system clock
External clock input for main system clock
Connecting resonator for subsystem clock
External clock input for subsystem clock
Positive power supply for P121 to P124 and other than ports
Positive power supply for ports other than P20 to P27 and
P121 to P124. Make EV
Ground potential for P121 to P124 and other than ports
Ground potential for ports other than P20 to P27 and P121 to
P124. Make EV
Flash memory programming mode setting
Connection for on-chip debug mode setting pins
(
µ
SS
PD78F0537D only)
.
SS
via a capacitor (0.47 to 1
SS
CHAPTER 2 PIN FUNCTIONS
User’s Manual U17260EJ6V0UD
the same potential as V
DD
Function
the same potential as V
µ
F: recommended).
SS
.
DD
.
Input port
Input port
Input port
Input port
Input port
Input port
Analog input
Input port
Input port
Input port
Input port
Input port
After Reset
−
−
−
−
−
−
−
−
−
Alternate Function
P17/TI50
P33/TI51/INTP4
P15
P16/INTP5
P140/INTP6
P141/INTP7
P20 to P27
P70 to P77
P120/INTP0
P121/OCD0A
P122/EXCLK/
OCD0B
P122/X2/
OCD0B
P123
P124/EXCLKS
P124/XT2
P121/X1
P31/INTP2
P122/X2/EXCLK
P32/INTP3
Note
Note
−
−
−
−
−
−
−
−
−
Note
35