upd78f0148m1gka1-9eu Renesas Electronics Corporation., upd78f0148m1gka1-9eu Datasheet - Page 39

• Manufacturer Part Number: upd78f0148m1gka1-9eu
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

(2) Non-port pins (2/2)
PCL
BUZ
AD0 to AD7
A8 to A15
RD
WR
WAIT
ASTB
ANI0 to ANI7
AV
AV
KR0 to KR7
REGC
RESET
X1
X2
XT1
XT2
V
EV
V
EV
IC
V
DD
SS
PP
Pin Name
REF
SS
DD
SS
Output
Output
I/O
Output
Output
Output
Input
Output
Input
Input
Input
Input
Input
Input
I/O
−
−
−
−
−
−
−
−
−
−
Clock output (for trimming of X1 input clock, subsystem clock)
Buzzer output
Lower address/data bus for external memory expansion
Higher address bus for external memory expansion
Strobe signal output for external memory read operation
Strobe signal output for external memory write operation
Wait insertion on external memory access
Strobe output that externally latches address information output
to ports 4 and 5 for access to external memory
A/D converter analog input
A/D converter reference voltage input and positive power supply
for port 2
A/D converter ground potential. Make the same potential as
EV
Key interrupt input
Connecting regulator output stabilization capacitor. When using
the regulator, connect to V
recommended). When the regulator is not used, connect
directly to V
System reset input
Connecting resonator for X1 input clock oscillation
Connecting resonator for subsystem clock oscillation
Positive power supply (except for ports)
Positive power supply for ports
Ground potential (except for ports)
Ground potential for ports
Internally connected. Connect directly to EV
Flash memory programming mode setting. High-voltage
application for program write/verify. Connect to EV
normal operation mode.
SS
or V
SS
.
DD
.
CHAPTER 2 PIN FUNCTIONS
User’s Manual U15947EJ3V1UD
SS
Function
via a capacitor (1
SS
µ
or V
F:
SS
SS
.
or V
SS
in
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
After Reset
−
−
−
−
−
−
−
−
−
−
−
−
−
−
P140/INTP6
P141/INTP7/BUSY0
P40 to P47
P50 to P57
P64
P65
P66
P67
P20 to P27
P70 to P77
Alternate Function
−
−
−
−
−
−
−
−
−
−
−
−
−
−
39