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Functional Specifications
2.3.3 EEPROM
Rev.1.00
Oct 09, 2008 2-5
REJ11J0021-0100
2
2.3.3 EEPROM
A 16-KB of the EEPROM can be mounted on the M3A-HS37. The EEPROM is controlled by the SH7137 on-chip I
2
C bus
interface.
Table 2.3.3 lists the EEPROM specifications.
Figure 2.3.2 shows the connection circuit block diagram of SH7137 and EEPROM.
Table 2.3.3 EEPROM Specifications
Part Number Interface Capacity Package
HN58X24128FPIE 2-wire system serial (I
2
C bus)
*
16 KB 8-pin SOP
SH7137
16 KB EEPROM
SCL
PB2/SCL/POE0/IRQ0/TIC5VS
SDA
PB3/SDA/POE1/IRQ1/TIC5V
HN58X24128FPIE
WP
A0
A1
A2
0
0
CPU-VCC
CPU-VCC
(optional)
Figure 2.3.2 Connection Diagram Between SH7137 and EEPROM
Note: I
2
C bus is a trademark of Koninklijke Philips Electronics N. V.