M62254FP Просмотр технического описания (PDF) - Renesas Electronics
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M62254FP Datasheet PDF : 12 Pages
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M62254FP
Digital Data Format
MSB
LSB
DI
8-bit shift register
CK
D7
D6
D5
D4
D3
D2
D1
D0
CS
Address decoder
4
8
Latch
MPX
Current
control
SW
Latch
MPX
Voltage
control
SW
Latch
MPX
LED
drive
SW
Latch
MPX
Main
SW
Latch
MPX
Sub
SW
Latch
MPX
Input amp
SW
Latch
MPX
A/D
input
SW
Latch
MPX
Reference
voltage
SW
Data Setting
Control Function
RESET
Current control
Voltage control
LED driver select
Main SW
Sub SW
Amp. select
A/D input select
A/D reference select
Address
Data
D7 D6 D5 D4 D3 D2 D1 D0
Description
0 0 0 0 — — — — All SW is OFF
A/D reference voltage = 0.4 V
Voltage setting reference voltage = 4.0 V
0 0 0 1 — — — — See table 1
0 0 1 0 — — — — See table 2
0 0 1 1 — — — — See table 3
0 1 0 0 — — — — See table 4
0 1 0 1 — — — — See table 5
0 1 1 0 — — — — See table 6
0 1 1 1 — — — — See table 7
1 0 0 0 — — — — See table 8
Table 1 Current Control Data
D3
D2
D1
D0
Current Control OP-Amp Input Voltage Current Ratio
0
0
0
0
0V
0
0
0
0
1
20 mV
1/16
0
0
1
0
40 mV
1/8
0
0
1
1
80 mV
1/4
0
1
0
0
160 mV
1/2
0
1
0
1
240 mV
3/4
0
1
1
0
320 mV
1
0
1
1
1
—
Trickle
Note: During trickle charge, use constant voltage mode and charge directly to the battery using external resistor.
20 mV is selected at RESET.
REJ03F0244-0200 Rev.2.00 Jun 16, 2008
Page 5 of 11
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