UPD78F0551MA-FAA-AX Renesas Electronics America, UPD78F0551MA-FAA-AX Datasheet - Page 68

• Manufacturer Part Number: UPD78F0551MA-FAA-AX
• Description: MCU 8BIT 16-SSOP
• Manufacturer: Renesas Electronics America
• Series: 78K0/Kx2-Lr

Specifications of UPD78F0551MA-FAA-AX

• Core Processor: 78K/0
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: I²C, LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 9
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

<R>
<R>
<R>
78K0/Kx2-L
2.3 Pin I/O Circuits and Recommended Connection of Unused Pins
Notes 1.
Cautions 1. ANI0/P20/AMP0-, ANI1/P21/AMP0OUT/PGAIN, ANI2/P22/AMP0+, and ANI3/P23 are set in the analog
R01UH0028EJ0400 Rev.4.00
Sep 27, 2010
P00/TI000/INTP0
P01/TO00/TI010
ANI0/P20/AMP0-
ANI1/P21/AMP0OUT
PGAIN
ANI2/P22/AMP0+
ANI3/P23
P30/TOH1/TI51/INTP1
P60/SCLA0/TxD6
P61/SDAA0/RxD6
P121/X1/TOOLC0
P122/X2/EXCLK/
TOOLD0
RESET/P125
AV
Tables 2-2 to 2-6 show the types of pin I/O circuits and the recommended connections of unused pins.
Refer to Figure 2-1 for the configuration of the I/O circuit of each type.
REF
Note 1
2. If this pin is left open when specified as an analog input pin, the input voltage level might become undefined. It
3. Use recommended connection above in input port mode (refer to Figure 5-3 Format of Clock Operation
Note 3
Pin Name
2. Because RESET/P125 is set in the external reset input immediately after release of reset, if a reset
μ
is therefore recommended to leave this pin open after specifying it as a digital output pin.
Mode Select Register (OSCCTL)) when these pins are not used.
PD78F0555, 78F0556, and 78F0557 (products with operational amplifier) only
input mode after release of reset.
signal is generated during low level input, the reset status continues until the input rises to the high
level.
Note 1
Note 1
Note 3
Note 1
/
5-AQ
11-P
11-O
11-N
11-G
5-AQ
5-AS
37-A
42-A
I/O Circuit Type
Table 2-2. Pin I/O Circuit Types (78K0/KY2-L)
−
I/O
Input
I/O
−
Input:
Output: Leave open.
<Digital input setting>
Independently connect to AV
<Digital output setting and analog input setting >
Leave open.
Input:
Output: Leave open.
Input:
Output: Leave this pin open at low-level output after clearing
Independently connect to V
Connect directly to V
Connect directly to V
Independently connect to V
Independently connect to V
Independently connect to V
the output latch of the port to 0.
Recommended Connection of Unused Pins
Note 2
DD
DD
.
or via a resistor.
DD
REF
or V
CHAPTER 2 PIN FUNCTIONS
or V
SS
SS
DD
DD
DD
via a resistor.
via a resistor.
or V
or V
or V
SS
SS
SS
via a resistor.
via a resistor.
via a resistor.
54