UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 85

• Manufacturer Part Number: UPD78F0034BGC-8BS-A
• Description: MCU 8-Bit 78K0 CISC 32KB Flash 2.5V/3.3V/5V 64-Pin LQFP
• Manufacturer: Renesas Electronics America

Specifications of UPD78F0034BGC-8BS-A

• Package: 64LQFP
• Family Name: 78K0
• Maximum Speed: 12 MHz
• Ram Size: 1 KB
• Program Memory Size: 32 KB
• Operating Supply Voltage: 2.5|3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 51
• Interface Type: 3-Wire/UART
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

3.3 Pin I/O Circuits and Recommended Connection of Unused Pins
P00/INTP0 to P02/INTP2
P03/INTP3/ADTRG
P10/ANI0 to P17/ANI7
P20/SI30
P21/SO30
P22/SCK30
P23/RxD0
P24/TxD0
P25/ASCK0
P30, P31
(for mask ROM version)
P30, P31
(for flash memory version)
P32, P33
(for mask ROM version)
P32, P33
(for flash memory version)
P34/SI31
P35/SO31
P36/SCK31
P40/AD0 to P47/AD7
Table 3-1 shows the types of pin I/O circuit and the recommended connections of unused pins.
See Figure 3-1 for the configuration of the I/O circuit of each type.
Pin Name
CHAPTER 3 PIN FUNCTION ( PD780024A, 780034A SUBSERIES)
I/O Circuit Type
13-Q
13-R
13-P
13-S
8-C
8-C
5-H
8-C
5-H
8-C
8-C
5-H
8-C
5-H
25
Table 3-1. Pin I/O Circuit Types (1/2)
User’s Manual U14046EJ5V0UD
Input
I/O
I/O
I/O
Input:
Output: Leave open.
Connect directly to V
Input:
Output: Leave open.
Input:
Output: Set the output latch of the port to 0, and
Input:
Output: Leave open.
Input:
Output: Leave open.
Recommended Connection of Unused Pins
Independently connect to V
resistor.
Independently connect to V
or V
Connect directly to V
leave these pins open at low level.
Independently connect to V
or V
Independently connect to V
resistor.
SS1
SS1
via a resistor.
via a resistor.
DD0
, V
DD1
, V
SS0
SS0
or V
, or V
SS0
DD0
DD0
DD0
SS1
, V
, V
or V
or V
.
SS1
DD1
DD1
.
SS1
DD1
, V
, V
via a
via a
SS0
SS0
,
,
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