4.3BR24C32F (IC703) : EEPROM
• Pin Layout
VCC | WP | SCL | SDA | • Pin layout & Block diagram |
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| PIN NAME | I/O |
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| VCC | - | Power Supply |
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| GND | - | Ground (0V) |
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| BR24C32/F |
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| I | Slave Address Set |
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| SCL | I | Serial Clock Input |
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| SDA | I/O | Slave and Word Address. | ||
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| Serial Data Input$ Serial Data Output *1 | ||
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| WP | I | Write Protect Input |
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| A0 | A1 | A2 | GND |
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• Pin function |
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| A0 | 1 |
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| 32 Kbit EEPROM ARRAY |
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| 8 | Vcc | |
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| 12bit |
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| 8bit |
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| A1 | 2 |
| ADDRESS | SLAVE WORD | DATA | 7 WP | |||
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| DECODER | 12bit ADDRESS REGISTER | REGISTER | ||||||
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| A2 | 3 |
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| START | STOP |
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| 6 | SCL |
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| CONTROL LOGIC |
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| ACK |
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| GND | 4 | HIGH VOLTAGE GEN. | VCC LEVEL DETECT | 5 SDA | |||||
4.4 | HD74HC126FP (IC771) : Changer Control |
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OE1 1
A1 2
Y1 3
OE2 4
A2 5
Y2 6
Vss 7
HD74HC126
14Vcc
13OE4
12A4
11Y4
10 OE3
9 A3
8 Y3
