Rev. 1.20 8 January 23, 2015 Rev. 1.20 9 January 23, 2015
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
PA3/SDA/RX
PA0/TCK1/SCOM2/ICPDA/OCDSDA
BS82C16A-3/BS82CV16A-3
24 SOP-A
PA2/SCOM3/ICPCK/OCDSCK
PA7/SCL/TX
VDD
VSS
PA1/SCOM0
PA4/INT/TCK0/SCOM1
PC7/TP0_1/SSEG15/KEY16
PC6/TP1_1/SSEG14/KEY15
PC5/SSEG13/KEY14
PC4/SSEG12/KEY13
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
PC3/SSEG11/KEY12
PC2/SSEG10/KEY11
PC1/SSEG9/KEY10
PC0/SSEG8/KEY9
PB7/SSEG7/KEY8
PB6/SSEG6/KEY7
PB5/SSEG5/KEY6
PB4/SSEG4/KEY5
PB3/SSEG3/KEY4
PB2/SSEG2/KEY3
PB1/SSEG1/KEY2
PB0/SSEG0/KEY1
PA3/SDA/RX
PA0/TCK1/SCOM2/ICPDA/OCDSDA
BS82C16A-3/BS82CV16A-3
28 SOP-A
PA2/SCOM3/ICPCK/OCDSCK
PA7/SCL/TX
VDD
VSS
PA1/SCOM0
PA4/INT/TCK0/SCOM1
PC7/TP0_1/SSEG15/KEY16
PC6/TP1_1/SSEG14/KEY15
PC5/SSEG13/KEY14
PC4/SSEG12/KEY13
PD1/TP0_0/SSEG17/XT2
PD0/TP1_0/SSEG16/XT1
PC3/SSEG11/KEY12
PC2/SSEG10/KEY11
PC1/SSEG9/KEY10
PC0/SSEG8/KEY9
PB7/SSEG7/KEY8
PB6/SSEG6/KEY7
PB5/SSEG5/KEY6
PB4/SSEG4/KEY5
PB3/SSEG3/KEY4
PB2/SSEG2/KEY3
PB1/SSEG1/KEY2
PB0/SSEG0/KEY1
PD2/SSEG18
PD3/SSEG19
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
PA3/SDA/RX
PA0/TCK1/SCOM2/ICPDA/OCDSDA
BS82D20A-3/BS82DV20A-3
24 SOP-A
PA2/SCOM3/ICPCK/OCDSCK
PA7/SCL/TX
VDD
VSS
PA1/SCOM0/KEY20
PA4/INT/TCK0/SCOM1/KEY19
PC7/TP0_1/SSEG15/KEY18
PC6/TP1_1/SSEG14/KEY17
PC5/SSEG13/KEY16
PC4/SSEG12/KEY15PC3/SSEG11/KEY14
PC2/SSEG10/KEY13
PC1/SSEG9/KEY12
PC0/SSEG8/KEY11
PB7/SSEG7/KEY8
PB6/SSEG6/KEY7
PB5/SSEG5/KEY6
PB4/SSEG4/KEY5
PB3/SSEG3/KEY4
PB2/SSEG2/KEY3
PB1/SSEG1/KEY2
PB0/SSEG0/KEY1