參數(shù)資料
型號: ISPPAC-POWR6AT6-01NN32I
廠商: LATTICE SEMICONDUCTOR CORP
元件分類: 電源管理
英文描述: In-System Programmable Power Supply Monitoring and Margining Controller
中文描述: 6-CHANNEL POWER SUPPLY SUPPORT CKT, QCC32
封裝: 5 X 5 MM, LEAD FREE, QFN-32
文件頁數(shù): 22/34頁
文件大?。?/td> 906K
代理商: ISPPAC-POWR6AT6-01NN32I
Lattice Semiconductor
ispPAC-POWR6AT6 Data Sheet
22
Figure 18. I
2
C Reset Register
The ispPAC-POWR6AT6 also provides the user with the ability to program the trim values over the I
2
C interface, by
writing the appropriate binary word to the associated trim register (Figure 19).
Figure 19. I
2
C Trim Registers
Monitoring Closed Loop Trim with the CLTLOCK/SMBA Pin
The ispPAC-POWR6AT6 uses a simple algorithm to determine if closed-loop trimming has reached a stable or
locked value. In Figure 20, the flow diagram shows whenever the closed-loop trim enable pin (CLTENb) is asserted
(low) the status of all six trim output pins is tested and updated at periodic intervals (refer to Table 2 for typical cycle
times). If a trim lock condition exists for a given pin, a lock result is set and processing continues. Pins not selected
for closed-loop trim are automatically reported to be in the lock condition, but timing is kept constant to preserve a
constant update rate regardless of how many trim outputs are really involved.
X
X
X
X
X
X
X
X
b7
b0
0x8 - RESET (Write Only)
b6
b5
b4
b3
b2
b1
D7
D6
D5
D4
D3
D2
D1
D0
b7
b0
0x9 - TRIM1_TRIM (Read/Write)
b6
b5
b4
b3
b2
b1
b7
b0
0xA - TRIM2_TRIM (Read/Write)
b6
b5
b4
b3
b2
b1
b7
b0
0xB - TRIM3_TRIM (Read/Write)
b6
b5
b4
b3
b2
b1
b7
b0
0xC - TRIM4_TRIM (Read/Write)
b6
b5
b4
b3
b2
b1
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
D7
D6
D5
D4
D3
D2
D1
D0
b7
b0
b6
b5
b4
b3
b2
b1
b7
b0
0xE - TRIM6_TRIM (Read/Write)
b6
b5
b4
b3
b2
b1
D7
D6
D5
D4
D3
D2
D1
D0
0xD - TRIM5_TRIM (Read/Write)
相關(guān)PDF資料
PDF描述
ISPPAC10 In-System Programmable Analog Circuit
ISPPAC10-01PI In-System Programmable Analog Circuit
ISPPAC10-01SI In-System Programmable Analog Circuit
ISPPAC20 In-System Programmable Analog Circuit
ISPPAC20-01J In-System Programmable Analog Circuit
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