参数资料
型号: SI8250-IM
厂商: SILICON LABORATORIES
元件分类: 微控制器/微处理器
英文描述: DIGITAL POWER CONTROLLER
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, QCC28
封装: 5 X 5 MM, ROHS COMPLIANT, QFN-28
文件页数: 23/30页
文件大小: 932K
代理商: SI8250-IM
Si8250/1/2
Preliminary Rev. 0.8
23
7. Pin Descriptions—Si8250/1/2
Figure 12. Example Pin Configurations
Table 17. Pin Descriptions
Name
QFN-28
Pin #
1
2
3
4
5
6
7
LQFP-32
Pin#
1
2
3
4
5
6
7
Type
Description
RST/C2CK
IPK
VSENSE
GND
GNDA
VDD
VDDA
VREF
P1.0/VIN or AIN0
D I/O
AIN
AIN
AIN
AIN
AIN
AIN
AIN
Reset input or bidirect debug clock
Inductor current input
Output voltage feedback input
Ground
Ground
Power supply input
Power supply input
External voltage reference input
Port 1 I/O or scaled power supply input voltage or
ADC input 0
Port 1 I/O or ADC input 1
Port 1 I/O or ADC input 2
Port 1 I/O or ADC input 3
Port 1 I/O or ADC input 4
Ground
Power supply input
Port 1 I/O or ADC input 5
Port 1 I/O or ADC input 6
Port 1 I/O or ADC input 7 or C2 Data
D I/O or AIN
P1.1/AIN1
P1.2/AIN2
P1.3/AIN3
P1.4/AIN4
GND
VDD
P1.5/AIN5
P1.6/AIN6
P1.7/ AIN7/C2D
8
9
8
9
D I/O or AIN
D I/O or AIN
D I/O or AIN
D I/O or AIN
AIN
AIN
D I/O or AIN
D I/O or AIN
D I/O, DIN or
AIN
10
11
12
13
14
10
11
12
13
14
15
16
32-pin LQFP
28-pin QFN
1
VSENSE
P0.0
P0.5
P0.2
P0.1
P0.3 / XCLK
P1.0/VIN/AIN0
IPK
P0.6
P0.7
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
9
1
1
1
1
1
1
1
3
3
3
2
2
2
2
2
P0.4
Si8250/1/2
Top View
P1.1/AIN1
GNDA
VDDA
RST/C2CK
G
V
P
P
P
P
P
P
V
G
P
P
P
VREF
P
P
P
4
5
6
7
2
1
3
1
1
1
1
9
8
1
18
17
16
15
20
21
19
2
2
2
2
2
2
2
Si8250/1/2
Top View
RST / C2CK
IPK
VSENSE
GND
VDD
VREF
P1.0/VIN/AIN0
P
P
P
P
P
P
P
P0.7
P0.6
P0.5
P0.4
P0.3/XCLK
P0.2
P0.1
P
P
P
P
P
P
P
GND
GND
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