UPD78F0413GA-GAM-AX NEC, UPD78F0413GA-GAM-AX Datasheet - Page 508

• Manufacturer Part Number: UPD78F0413GA-GAM-AX
• Description: 8BIT UC, 32K FLASH, 1KB RAM, LCD
• Manufacturer: NEC

Specifications of UPD78F0413GA-GAM-AX

• Controller Family/series: UPD78F
• No. Of I/o's: 30
• Ram Memory Size: 1024Byte
• Cpu Speed: 10MHz
• No. Of Timers: 8
• No. Of Pwm: RoHS Compliant
• Core Size: 8bit
• Program Memory Size: 32KB
• Oscillator Type: External, Internal

mounted on the board.
24.1 Internal Memory Size Switching Register
508
The 78K0/LC3 incorporates the flash memory to which a program can be written, erased, and overwritten while
The internal memory capacity can be selected using the internal memory size switching register (IMS).
IMS is set by an 8-bit memory manipulation instruction.
Reset signal generation sets IMS to CFH.
Caution Be sure to set each product to the values shown in Table 24-1 after a reset release.
Address: FFF0H
Symbol
IMS
Flash Memory Version (78K0/LC3)
PD78F0400, 78F0410
PD78F0401, 78F0411
PD78F0402, 78F0412
PD78F0403, 78F0413
ROM3
RAM2
RAM2
Figure 24-1. Format of Internal Memory Size Switching Register (IMS)
7
0
0
1
0
0
0
1
After reset: CFH
Table 24-1. Internal Memory Size Switching Register Settings
Other than above
RAM1
RAM1
ROM2
Other than above
6
0
1
1
0
1
1
0
CHAPTER 24 FLASH MEMORY
R/W
ROM1
RAM0
RAM0
42H
04H
C6H
C8H
IMS Setting
User’s Manual U18698EJ1V0UD
5
0
0
0
1
0
1
0
768 bytes
512 bytes
1024 bytes
Setting prohibited
ROM0
8 KB
16 KB
24 KB
32 KB
4
0
0
0
0
0
ROM Capacity
Internal high-speed RAM capacity selection
8 KB
16 KB
24 KB
32 KB
Setting prohibited
ROM3
3
512 bytes
768 bytes
1 K bytes
Internal ROM capacity selection
Internal High-Speed RAM Capacity
ROM2
2
ROM1
1
ROM0
0