参数资料
型号: UPD78F0534FC(T)-AA1-A
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PBGA64
封装: 5 X 5 MM, LEAD FREE, PLASTIC, FLGA-64
文件页数: 42/52页
文件大小: 3774K
代理商: UPD78F0534FC(T)-AA1-A
Preliminary User’s Manual U17260EJ3V1UD
47
CHAPTER 3 CPU ARCHITECTURE
3.1 Memory Space
Products in the 78K0/KE2 can access a 64 KB memory space. Figures 3-1 to 3-8 show the memory maps.
Cautions 1. Regardless of the internal memory capacity, the initial values of the internal memory size
switching register (IMS) and internal expansion RAM size switching register (IXS) of all
products in the 78K0/KE2 are fixed (IMS = CFH, IXS = 0CH).
Therefore, set the value
corresponding to each product as indicated below.
2. To set the memory size, set IMS and then IXS. Set the memory size so that the internal ROM
and internal expansion RAM areas do not overlap.
Table 3-1. Set Values of Internal Memory Size Switching Register (IMS)
and Internal Expansion RAM Size Switching Register (IXS)
Flash Memory Version
(78K0/KE2)
IMS
IXS
ROM
Capacity
Internal High-Speed
RAM Capacity
Internal Expansion
RAM Capacity
PD78F0531
04H
16 KB
768 bytes
PD78F0532
C6H
24 KB
PD78F0533
C8H
0CH
32 KB
PD78F0534
CCH
0AH
48 KB
1 KB
PD78F0535
CFH
0BH
60 KB
2 KB
PD78F0536
CCH
Note
04H
96 KB
Note
4 KB
PD78F0537, 78F0537D
CCH
Note
00H
128 KB
Note
1 KB
6 KB
Note The
PD78F0536, 78F0537, and 78F0537D have internal ROMs of 96 KB and 128 KB, respectively.
However, the set value of IMS of these devices is the same as those of the 48 KB product because memory
banks are used. For how to set the memory banks, see 4.2 Memory Bank Select Register (BANK).
相关PDF资料
PDF描述
UPD78F0535GC(S)-UBS-A 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
UPD78F0536GC-UBS 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
UPD78F0537GB(A)-GAH-AX 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP64
UPD78F0545GC(T2)-UBT-A 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
UPD78F0547GC(T)-UBT-A 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP80
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