UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 431

• 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

Remark The read-modify-write timing is that of an operation when a bit manipulation instruction is executed.
Internal wait signal
(1-clock wait)
AD0 to AD7
AD0 to AD7
AD0 to AD7
A8 to A15
A8 to A15
A8 to A15
ASTB
ASTB
ASTB
WAIT
WR
RD
WR
WR
RD
RD
Figure 20-7. External Memory Read Modify Write Timing
CHAPTER 20 EXTERNAL DEVICE EXPANSION FUNCTION
Lower
address
(c) External wait (PW1, PW0 = 1, 1) setting
Lower
address
Lower
address
(a) No wait (PW1, PW0 = 0, 0) setting
(b) Wait (PW1, PW0 = 0, 1) setting
User’s Manual U14046EJ5V0UD
Read data
Read data
Read data
Higher address
Higher address
Higher address
Hi-Z
Hi-Z
Hi-Z
Write data
Write data
Write data
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