UPD78F0034BGC-8BS-A Renesas Electronics America, UPD78F0034BGC-8BS-A Datasheet - Page 101

• 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

5.1 Memory Spaces
Data memory
space
Figures 5-1 to 5-5 show memory maps.
Caution
PD780024A, 780034A, 780024AY, 780034AY Subseries can access 64 KB memory space respectively.
Program
memory
space
In case of the internal memory capacity, the initial value of memory size switching register (IMS)
of all products ( PD780024A, 780034A, 780024AY, and 780034AY Subseries) is fixed (IMS =
CFH). Therefore, set the value corresponding to each product indicated below in the initial
setting.
PD780021A, 780031A, 780021AY, 780031AY:
PD780022A, 780032A, 780022AY, 780032AY:
PD780023A, 780033A, 780023AY, 780033AY:
PD780024A, 780034A, 780024AY, 780034AY:
PD78F0034A, 78F0034B, 78F0034AY, 78F0034BY: Value for mask ROM version
Figure 5-1. Memory Map ( PD780021A, 780031A, 780021AY, 780031AY)
FFFFH
FF00H
FEFFH
FEE0H
FEDFH
FD00H
FCFFH
F800H
F7FFH
2000H
1FFFH
0000H
General-purpose
Internal high-speed RAM
CHAPTER 5 CPU ARCHITECTURE
32
External memory
Special function
registers (SFRs)
registers
55296
Internal ROM
8192
256
512
Reserved
8 bits
User’s Manual U14046EJ5V0UD
8 bits
8 bits
8 bits
8 bits
42H
44H
C6H
C8H
1FFFH
1000H
0FFFH
0800H
07FFH
0080H
007FH
0040H
003FH
0000H
CALLF entry area
CALLT table area
Vector table area
Program area
Program area
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