UPD78F0890GK(A)-GAJ-AX NEC, UPD78F0890GK(A)-GAJ-AX Datasheet - Page 618
![8BIT MCU, 128K FLASH, 7K RAM, LQFP](/photos/19/1/190186/ge64lqfp05-40_sml.jpg)
UPD78F0890GK(A)-GAJ-AX
Manufacturer Part Number
UPD78F0890GK(A)-GAJ-AX
Description
8BIT MCU, 128K FLASH, 7K RAM, LQFP
Manufacturer
NEC
Datasheet
1.UPD78F0890GKA-GAJ-AX.pdf
(732 pages)
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
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F E F F H
D F F F H
B F F F H
F F F F H
F F 0 0 H
F B 0 0 H
F A F F H
F 9 F F H
F 7 F F H
E 0 0 0 H
C 0 0 0 H
7 F F F H
F A 0 0 H
F 8 0 0 H
8 0 0 0 H
0 0 0 0 H
Cautions 6. Allocate the entry program for self-programming in the common area of 0000H to 7FFFH.
(a)
(b)
Table 24-13. Correspondence Among Bank Numbers, CPU Addresses, and Flash Real Addresses
(memory bank 0)
expansion RAM
(common area)
Flash memory
Flash memory
Internal high-
AFCAN area
μ
μ
speed RAM
Reserved
Reserved
PD78F0889
PD78F0890
Internal
SFR
Normal mode
Figure 24-15. Operation Mode and Memory Map for Self-Programming (
7. If the flash memory size is 96 KB or 128 KB, specify a flash real address, instead of a CPU
4 or more
6 or more
Bank No.
Bank No.
address, as a flash write/erase address.
−
0
1
2
3
−
0
1
2
3
4
5
Memory bank 2
Memory bank 1
Memory bank 3
Memory bank 4
Memory bank 5
Instructions can be fetched
from common area and
selected memory bank.
Flash memory
firmware ROM
accessing
0000H to 7FFFH (common area)
8000H to BFFFH
Setting prohibited
0000H to 7FFFH (common area)
8000H to BFFFH
Setting prohibited
Disable
control
CHAPTER 24 FLASH MEMORY
User’s Manual U17554EJ4V0UD
CPU Address
CPU Address
F E F F H
D F F F H
B F F F H
F F F F H
F F 0 0 H
F B 0 0 H
F A F F H
F 9 F F H
F 7 F F H
E 0 0 0 H
C 0 0 0 H
7 F F F H
F A 0 0 H
F 8 0 0 H
8 0 0 0 H
0 0 0 0 H
expansion RAM
(common area)
Flash memory
Internal high-
AFCAN area
speed RAM
Reserved
Reserved
accessing
Internal
Disable
SFR
Self-programming mode
00000H to 07FFFH
08000H to 0BFFFH
0C000H to 0FFFFH
10000H to 13FFFH
14000H to 17FFFH
00000H to 07FFFH
08000H to 0BFFFH
0C000H to 0FFFFH
10000H to 13FFFH
14000H to 17FFFH
18000H to 1BFFFH
1C000H to 1FFFFH
Real Address of Flash Memory
Real Address of Flash Memory
Memory bank 2
Memory bank 1
Memory bank 3
Memory bank 4
Memory bank 5
μ
PD78F0890)
firmware ROM
Flash memory
accessing
control
Enable
Instructions can be
fetched from common
area and firmware ROM.
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