HA13705 Hitachi Semiconductor, HA13705 Datasheet - Page 6
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HA13705
Manufacturer Part Number
HA13705
Description
IPIC Intelligent Power IC High Side Solenoid Driver
Manufacturer
Hitachi Semiconductor
Datasheet
1.HA13705.pdf
(26 pages)
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HA13614FH
Serial Port
Construction
Table 1
I n p u t
POR
Low
Open
Note:
Input Data
The serial port is required the 16 bits data (D0 to D15). When the data length is less than 16 bits, the
internal register will not be up dated. And when the data length is more than 16 bits, this register will take
later 16 bits and ignore the faster bit.
6
1. When +5 V or +3.3 V power supply goes to Low, then POR = Low.
Note: When POR = Low, internal RESET signal becomes High and when RESET = High,
POR output is able to construct the wired logic with external signal.
Truth Table of Internal RESET Signal
MSB
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
all bit of serial port are set up default value as shown in table 2.
SEENAB
Figure 1
DATA
SCLK
O utp u t
RESET
High
Low
Figure 2
Construction of Serial Port
RESET *
Serial
port
Input Data
D0 to D15
to each block
N o t e
1
1
LSB