UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 51

• Manufacturer Part Number: UPD78F0838
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

<R>
ANI0 to ANI7
AV
AV
BUZ
COM0 to COM3
CRxD
CTxD
EXCLK
EXCLKS
EXLVI
FLMD0
INTP0
INTP1
INTP2
INTP3
INTP4
INTPR60
<INTPR60>
INTPR61
OCD0A
OCD0B
OCD1A
OCD1B
PCL
REGC
RESET
Note
Remarks 1. Ext. (external reset): POC reset or pin reset, Int. (internal reset): WDT reset or LVI reset,
REF
SS
Pin Name
Note
Note
78K0/DF2 ( PD78F0838, 78F0839, 78F0840, 78F0841, 78F0842, 78F0843, 78F0846, 78F0847, 78F0848,
78F0849)
PD78F0846, 78F0847, 78F0848, and 78F0849 only.
2. The functions within arrowheads (<>) can be assigned by setting the input switch control register
PD: Pull down, HZ: High impedance, L: Low level output
(ISC).
Input
Output
Output
Input
Output
Input
Input
Input
Input
I/O
Output
Input
I/O
–
–
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
Buzzer output
LCD controller/driver common signal outputs
CAN receive data input
CAN transmit data output
External clock input for main system clock
External clock input for subsystem clock
Potential input for external low-voltage detection
Flash memory programming mode setting
External interrupt request input for which the
valid edge (rising edge, falling edge, or both
rising and falling edges) can be specified
On-chip debug mode setting connection
Clock output (for trimming of high-speed system
clock, subsystem clock)
This is the pin for connecting regulator output
(2.5 V) stabilization capacitance for internal
operation.
Connect this pin to V
µF: recommended).
System reset input
Table 2-5. Non-port Pins for 78K0/DF2 (1/4)
Preliminary User’s Manual U19748EJ1V0UD
SS
CHAPTER 2 PIN FUNCTIONS
or V
Function
SS
SS
via a capacitor (0.47 to 1
.
HZ
L
HZ
HZ
HZ
HZ
HZ
Ext.: PD
Int.: HZ
HZ
HZ
Ext.: PD
Int.: HZ
HZ
HZ
HZ
During
Reset
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Reset
After
–
P20 to P27
P73/SGO/SGOF
P70/<RxD60/INTPR60>
P71/<TxD60>
P122/X2/OCD0B
P124/XT2
P120
P17/<TIOP30>
P60/SCL0
P12/SO10
P61/SDA0
P10/SCK10/TxD61
P14/SEG22/TIOP20/
RxD60
P70/CRxD
P11/SI10/RxD61
P121/X1
P122/X2/EXCLK
P31/SEG5
P32/SEG6
P72/SGOA
Alternate Function
Note
/<RxD60>
49