UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 426

• 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

(2) Memory expansion wait setting register (MM)
424
Address: FFF8H After reset: 10H R/W
Symbol
MM
MM sets the number of waits.
MM is set by a 1-bit or 8-bit memory manipulation instruction.
RESET input sets MM to 10H.
Cautions 1. When wait is controlled by the external wait pin, be sure to set the WAIT/P66 pin
PW1
Figure 20-3. Format of Memory Expansion Wait Setting Register (MM)
7
0
0
0
1
1
2. When wait is not controlled by the external wait pin, the WAIT/P66 pin can be used
CHAPTER 20 EXTERNAL DEVICE EXPANSION FUNCTION
to input mode (set bit 6 (PM66) of port mode register 6 (PM6) to 1).
as an I/O port pin.
PW0
6
0
0
1
0
1
No wait
Wait (one wait state inserted)
Setting prohibited
Wait control by external wait pin
PW1
5
User’s Manual U14046EJ5V0UD
PW0
4
3
0
Wait control
2
0
1
0
0
0