UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 54

• Manufacturer Part Number: UPD78F0890GK(A)-GAJ-AX
• Description: 8BIT MCU, 128K FLASH, 7K RAM, LQFP
• Manufacturer: NEC

Specifications of UPD78F0890GK(A)-GAJ-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 55
• Ram Memory Size: 7KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 128KB
• Oscillator Type: External, Internal

54
E800H
E7FFH
C000H
BFFFH
FFFFH
FF00H
FEFFH
FEE0H
FEDFH
FB00H
FAFFH
FA00H
F800H
F7FFH
7FFFH
018FH
F9FFH
8000H
0190H
0083H
0082H
0000H
Notes 1.
2.
General-purpose registers
Special function registers (SFR)
Internal high-speed RAM
Internal expansion RAM
During on-chip debugging, use of this area is disabled since it is used as the user data backup area for
communication.
During on-chip debugging, use of this area is disabled since it is used as the communication command
area (269 bytes).
Figure 3-8. Correspondence Between Data Memory and Addressing (
32
Flash memory
16384
4096
1024
(256
Flash memory
32768
AFCAN area
256
Reserved
Reserved
(common)
8 bits
(bank 0)
Note 2
Note 1
8 bits
8 bits)
8 bits
8 bits
8 bits
8 bits
CHAPTER 3 CPU ARCHITECTURE
16384
FE1FH
FE0FH
FF20H
FF1FH
FE20H
FE10H
16384
Register addressing
SFR addressing
(bank 2)
(bank 1)
User’s Manual U17554EJ4V0UD
16384
(bank 3)
8 bits
8 bits
8 bits
Short direct
addressing
Direct addressing
Register indirect addressing
Based addressing
Based indexed addressing
μ
PD78F0889)