UPD78F0537DGA(T)-9EV-A NEC, UPD78F0537DGA(T)-9EV-A Datasheet - Page 60

• Manufacturer Part Number: UPD78F0537DGA(T)-9EV-A
• Description: 8BIT MCU, 128K FLASH, 7KB RAM, SMD
• Manufacturer: NEC

Specifications of UPD78F0537DGA(T)-9EV-A

• Controller Family/series: UPD78
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

3.1.2 Memory bank ( PD78F0536, 78F0537, and 78F0537D only)
memory banks 0 to 5 in the PD78F0537 and 78F0537D.
BANK SELECT FUNCTION ( PD78F0536, 78F0537, AND 78F0537D ONLY)).
3.1.3 Internal data memory space
(1) Internal high-speed RAM
60
The 16 KB area 8000H to BFFFH is assigned to memory banks 0 to 3 in the PD78F0536, and assigned to
The banks are selected by using a memory bank select register (BANK). For details, see CHAPTER 4 MEMORY
Cautions 1. Instructions cannot be fetched between different memory banks.
78K0/KE2 products incorporate the following RAMs.
The 32-byte area FEE0H to FEFFH is assigned to four general-purpose register banks consisting of eight 8-bit
registers per bank.
This area cannot be used as a program area in which instructions are written and executed.
The internal high-speed RAM can also be used as a stack memory.
PD78F0531
PD78F0532
PD78F0533
PD78F0534
PD78F0535
PD78F0536
PD78F0537, 78F0537D
2. Branch and access cannot be directly executed between different memory banks. Execute
3. Allocate interrupt servicing in the common area.
4. An instruction that extends from 7FFFH to 8000H can only be executed in memory bank 0.
branch or access between different memory banks via the common area.
Part Number
Table 3-5. Internal High-Speed RAM Capacity
CHAPTER 3 CPU ARCHITECTURE
768
1024
User’s Manual U17260EJ6V0UD
8 bits (FC00H to FEFFH)
8 bits (FB00H to FEFFH)
Internal High-Speed RAM