ST7628
9.1.52 BstEffSel: Booster Efficiency selection(C5H)
Command
A0
0
/RD /WR
D7
1
D6
1
D5
0
D4
0
D3
0
D2
1
D1
D0
Hex
(C5h)
1
1
0
0
0
1
BstEffSel
-
BTF1 BTF0
1
-
-
1
0
-
-
Parameter
NOTE: “-“ Don’t care
Description
Booster Efficiency set
BTF1
BTF0
Frequency
Level 1
0
0
1
0
1
0
Level 2 (default)
Level 3
By Booster Stages (2X, 3X, 4X, 5X, 6X, 7X, 8X) and Booster Efficiency (Level1~3) commands, we
could easily set the best Booster performance with suitable current consumption. If the Booster
Efficiency is set to higher level (level3 is higher than level1). The Boost Efficiency is better than lower
level, and it just need few more power consumption current.
Restriction
Register
Status
Availability
Yes
Availability
Normal Mode On, Idle Mode Off, Sleep Out
Normal Mode On, Idle Mode On, Sleep Out
Partial Mode On, Idle Mode Off, Sleep Out
Partial Mode On, Idle Mode On, Sleep Out
Sleep In
Yes
Yes
Yes
Yes
Default
Status
Default Value (BTF[1:0])
00100001b (21h)
Power On Sequence
S/W Reset
00100001b (21h)
H/W Reset
00100001b (21h)
Ver 1.4
157/213
2008/08
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
