STMPE321QTR STMicroelectronics, STMPE321QTR Datasheet - Page 2

• Manufacturer Part Number: STMPE321QTR
• Description: IC CTLR TOUCH KEY 3CH 12-QFN
• Manufacturer: STMicroelectronics
• Series: S-Touch™r
• Type: Capacitiver

Specifications of STMPE321QTR

• Number Of Inputs/keys: 3 Key
• Resolution (bits): 8 b
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): 100k
• Voltage - Supply: 1.65 V ~ 1.95 V
• Mounting Type: Surface Mount
• Package / Case: 12-QFN
• Voltage Supply Source: Single Supply
• Resolution: 7 bit to 10 bit
• Interface Type: I2C
• Supply Voltage (max): 1.95 V
• Supply Voltage (min): 1.65 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Operating Temperature: -
• Sampling Rate (per Second): -
• Lead Free Status / Rohs Status: Details
• Other names: 497-8985-2

Schematic circuits
1
Figure 1.
2/5
PB2_TRESET
S0_CH_UP
S1_VOL++
S2_BRGH
TK_LED5
TK_LED4
TK_LED3
TK_LED2
Schematic circuits
Control and LED display
31
32
33
34
35
36
37
38
39
40
S_IN_2
S_IN_1
S_IN_0
RESET_N
ID_1
ID_0
GPIO_5
GPIO_4
GPIO_3
GPIO_2
S_IN_10
S_IN_11
GPIO_6
GPIO_7
GPIO_8
GPIO_9
S_IN_9
S_REF
GND
V33
20
19
18
17
16
15
14
13
12
11
TK_LED6
TK_LED7
IO8
IO9
Doc ID 16073 Rev 1
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
C25 NOT TO BE MOUNTED
STEVAL-ICB003V1
GND
1
1
1
1
S7_RESTORE
1
1
S6_WSENSOR
1
1
1
S4_CH_DN
S0_CH_UP
S1_VOL++
S5_DEMO
S2_BRGH
S3_VOL--
AM05054v1