STV7622 查看數據表（PDF） - STMicroelectronics
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STV7622 Datasheet PDF : 32 Pages
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STV7622
Circuit description
5.4
2 x 3 x 32-bit data bus, standard transmission
(BS1 = H, BS2 = H)
The data bus is in 2 × 3-bit mode (DB1 to DB6 active) for BS1 = H and BS2 = H. Table 5
below describes how data is shifted in the register.
Table 5. 2 x 3 x 32-bit data bus transmission
Clock pulse number
BS1 BS2 DIR Input
Position 01 02 03
…
30 31 32
Comment
DB1
OUT
01 04 07
DB2
OUT
02 05 08
DB3
OUT
03 06 09
H
HL
DB4
OUT
97 100 103
DB5
OUT
98 101 104
DB6
OUT
99 102 105
DB1
OUT
94 91 88
DB2
OUT
95 92 89
DB3
OUT
96 93 90
H
HH
DB4
OUT 190 187 184
DB5
OUT 191 188 185
DB6
OUT 192 189 186
88 91 94
89 92 95
90 93 96
Left/Right shift
184 187 190
185 188 191
186 189 192
07 04
08 05
09 06
103 100
104 101
105 102
01
02
03
Right/Left shift
97
98
99
9/32
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