UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 428

• 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

CHAPTER 20 EXTERNAL DEVICE EXPANSION FUNCTION
Figure 20-4. Instruction Fetch from External Memory
(a) No wait (PW1, PW0 = 0, 0) setting
ASTB
RD
AD0 to AD7
Lower address
Instruction code
Higher address
A8 to A15
(b) Wait (PW1, PW0 = 0, 1) setting
ASTB
RD
AD0 to AD7
Lower address
Instruction code
Higher address
A8 to A15
Internal wait signal
(1-clock wait)
(c) External wait (PW1, PW0 = 1, 1) setting
ASTB
RD
AD0 to AD7
Lower address
Instruction code
Higher address
A8 to A15
WAIT
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User’s Manual U14046EJ5V0UD