UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 52

• 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

52
Notes 1.
B F F F H
EFFFH
C 0 0 0 H
FFFFH
FEFFH
FEDFH
FAFFH
F 8 0 0 H
F7FFH
FF00H
FEE0H
FB00H
FA00H
F 0 0 0 H
0 1 8 F H
F9FFH
0 1 9 0 H
0 0 8 3 H
0 0 8 2 H
0 0 0 0 H
2.
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).
General-purpose registers
Figure 3-6. Correspondence Between Data Memory and Addressing (
Special function registers (SFR)
Internal high-speed RAM
Internal expansion RAM
32
Flash memory
49152
2048
(256
1024
AFCAN area
256
Reserved
Reserved
8 bits
Note 1
Note 2
8 bits
8 bits)
8 bits
8 bits
8 bits
CHAPTER 3 CPU ARCHITECTURE
User’s Manual U17554EJ4V0UD
FF20H
FF1FH
FE20H
FE1FH
FE10H
FE0FH
Register addressing
SFR addressing
Short direct
addressing
Direct addressing
Register indirect addressing
Based addressing
Based indexed addressing
μ
PD78F0887)