SH7052 Datasheet, PDF (623/919 Pages) Renesas Technology Corp – SuperHTM RISC engine

17.4 RAM Monitor Mode
17.4.1 Overview
In this mode, all the modules connected to the SH7052F/SH7053F/SH7054F’s internal or external
bus can be read and written to, allowing RAM monitoring and tuning to be carried out.
17.4.2 Communication Protocol
The AUD latches the AUDATA input when AUDSYNC is asserted. The following AUDATA
input format should be used.
Input format
0000
DIR A3 to A0 ^{. . . . . .} A31 to A28 D3 to D0 ^{. . . . . .} Dn to Dn-3
Command
Address
Data (in case of write only)
B write: n = 7
W write: n = 15
L write: n = 31
Bit 3
Bit 2
Fixed at 1 0: Read
1: Write
Bit 1 Bit 0
00: Byte
01: Word
10: Longword
Spare bits (4 bits): b'0000
Figure 17.4 AUDATA Input Format
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