UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 432

• 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

20.4 Example of Connection with Memory
in Figure 20-8. In addition, the external device expansion function is used in the full-address mode, and the addresses
from 0000H to 7FFFH (32 KB) are allocated for internal ROM, and the addresses after 8000H for SRAM.
430
This section provide an example of connecting the PD780024A with external memory (in this example, SRAM)
PD780024A
AD0 to AD7
A8 to A14
ASTB
WR
RD
Figure 20-8. Connection Example of PD780024A and Memory
CHAPTER 20 EXTERNAL DEVICE EXPANSION FUNCTION
74HC573
D0 to D7
Q0 to Q7
LE
OE
V
DD0
User’s Manual U14046EJ5V0UD
Address bus
A0 to A14
CS
OE
WE
I/O1 to I/O8
PD43256B
Data bus