Harman Kardon hk3370 Service Manual page 98

hk3370/hk3470
Memory ICs
! ! ! ! Recommended operating conditions (Ta = 25°C)
Parameter
Power supply voltage
Input voltage
! ! ! ! Block diagram
BR24C01A-W / AF-W / AFJ-W / AFV-W
1
A0
A1
2
A2
3
4
GND HIGH VOLTAGE GEN.
BR24C02-W / F-W / FJ-W / FV-W
A0 1
A1 2
A2 3
4
GND HIGH VOLTAGE GEN.
BR24C04-W / F-W / FJ-W / FV-W
1
A0
A1 2
A2 3
4
GND HIGH VOLTAGE GEN.
BR24C01A-W / BR24C01AF-W / BR24C01AFJ-W / BR24C01AFV-W / BR24C02-W / BR24C02F-W /
BR24C02FJ-W / BR24C02FV-W / BR24C04-W / BR24C04F-W / BR24C04FJ-W / BR24C04FV-W
Symbol
2.7 ~ 5.5 (WRITE)
V
CC
2.7 ~ 5.5 (READ)
V
IN
1kbits EEPROM ARRAY
7bits
·
SLAVE WORD
ADDRESS
DECODER 7bits ADDRESS REGISTER
START STOP
CONTROL LOGIC
ACK
V LEVEL DETECT
CC
2kbits EEPROM ARRAY
8bits
·
ADDRESS SLAVE WORD
DECODER
8bits ADDRESS REGISTER
START STOP
CONTROL LOGIC
ACK
V LEVEL DETECT
CC
4kbits EEPROM ARRAY
9bits
·
ADDRESS SLAVE WORD
DECODER
9bits ADDRESS REGISTER
START STOP
CONTROL LOGIC
ACK
V LEVEL DETECT
CC
Limits Unit
V
V
0 ~ V V
CC
! ! ! ! Pin descriptions
8 V
CC
8bits
DATA
7 WP
REGISTER
SCL
6
5 SDA
V
8
CC
8bits
DATA
7
WP
REGISTER
6 SCL
5 SDA
8 V
CC
8bits
DATA
7
WP
REGISTER
6 SCL
5 SDA
98
Pin name Function
A0, A1, A2 Slave address setting pin
SCL Serial data clock
SDA Serial data input / output
WP Write protect pin
V Power supply
CC
GND Ground
∗ An open drain output requires a pull-up resistor.
Pin name Function
A0, A1, A2 Slave address setting pin
SCL Serial data clock
SDA Serial data input / output
WP Write protect pin
V Power supply
CC
GND Ground
∗ An open drain output requires a pull-up resistor.
Pin name Function
A0 N.C.
A1, A2 Slave address setting pin
SCL Serial data clock
SDA Serial data input / output
WP Write protect pin
V Power supply
CC
GND Ground
∗ An open drain output requires a pull-up resistor.
harman/kardon
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