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参数资料
| 型号： | LC821031 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封装： | QFP-64 |
| 文件页数： | 4/5页 |
| 文件大小： | 67K |
| 代理商： | LC821031 |
No. 5735-4/5
LC821031
Continued from preceding page.
I: Input pin, O: Output pin, B: Bidirectional pin, P: Power supply pin, NC: Not Connected
Pin No.
Symbol
I/O
Function
39
AIN
I
Sensor signal input
40
TEMP
I
Temperature signal input
41
ATAPH
O
Analog middle level for the A/D converter high reference
42
DAHRH
I
High reference for the D/A converter used for the A/D converter high reference.
43
AVDD
P
Analog system power supply
44
DALRH
I
High reference for the D/A converter used for the A/D converter low reference.
45
ATAPL
O
Analog middle level for the A/D converter low reference
46
AGND
P
Analog system ground
47
PD7/SD
O
DMA output/serial data output
48
PD6/SDCK
O
DMA output/serial data transfer clock
49
DGND
P
Digital system ground
50
PD5/SDE
O
DMA output/serial data output valid period signal
51
PD4/PP4
B
52
PD3/PP3
B
DMA output/general-purpose I/O ports
53
PD2/PP2
B
54
PD1/PP1
B
55
PD0/PP0
B
56
DVDD
P
Digital system power supply
57
DACK/PP5
B
DMA data acknowledge signal input pin/general-purpose I/O port
58
DREQ/PP6
B
DMA data request signal output/general-purpose I/O port
59
MTP/PP7
B
Motor drive timing signal output/general-purpose I/O port
60
CLK2
O
61
CLK1
O
Sensor drive signal outputs
62
RS
O
63
SH
O
64
DGND
P
Digital system ground
Note: Unused input pins must not be left open. These pins must be connected either to the digital system power supply or to the digital system ground.
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