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Internal Memory
7-2
7.1 Overview
The MN103001G has 128 Kbytes of instruction ROM and 8 Kbytes of internal data RAM. The MN1030F01K has
256 Kbytes of flash memory and 8 Kbytes of internal data RAM. The instruction ROM/flash memory and data
RAM are connected to the CPU core via a 64-bit bus and a 32-bit bus, respectively.
7.2 Features
The features of the internal memory are listed below.
■ Internal instruction ROM (MN103001G)
- Capacity: 128 Kbytes
- Instruction bus width: 64 bits
- Access cycles: Instruction read: 2 MCLK cycles
Data read: 3 MCLK cycles
■ Internal flash memory (MN1030F01K)
- Capacity: 256 Kbytes
- Instruction bus width: 64 bits
- Access cycles: Instruction read: 2 MCLK cycles
Data read: 3 MCLK cycles
■ Internal data RAM (MN103001G/MN1030F01K)
- Capacity: 8 Kbytes
- Data bus width: 32 bits
- Access cycles (*): Data read: 1 MCLK cycle
Data write: 1 MCLK cycle
(*): The internal data RAM can only be used to store or read data; it is not possible to store or read
instructions in the internal data RAM.