BS83A04A-3/BS83A04A-4
8-bit Touch Key Flash MCU
Pin Assignment
N C
V D D
V D D
1
2
3
4
5
6
7
8
1 0
9
V S S
P A 2
P A 0 /IN T
P A 6
P A 7
1
2
3
4
5
6
7
8
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
N C
V S S
P A 2
P A 0 /IN T
P A 6
P A 7
N C
O C D S D A
P A 5 /K E Y 1
P A 1 /K E Y 2
P A 5 /K E Y 1
P A 1 /K E Y 2
P A 3 /K E Y 3
P A 4 /K E Y 4
P A 3 /K E Y 3
P A 4 /K E Y 4
N C
O C D S C K
B S 8 3 A 0 4 A -3 /B S 8 3 A 0 4 A -4
1 0 M S O P -A
B S 8 3 A 0 4 A -3 /B S 8 3 A 0 4 A -4
1 6 N S O P -A
Note: The package type 16NSOP-A is used by OCDS EV IC.
Pin Description
The function of each pin is listed in the following table, however the details of each pin is contained
in other sections of the datasheet.
Pin Name
PA0/INT
Function
PA0
INT
PA1/KEY½
PA½
PA½/KEY½
PA1
KEY½
PA½
PA½
KEY½
PA4/KEY4
PA4
KEY4
PA5/KEY1
PA6
PA7
OCDSCK
OCDSDA
VDD
VSS
PA5
KEY1
PA6
PA7
OCDSCK
OCDSDA
VDD
VSS
OPT
PAWU
PAPU
INTEG
PAWU
PAPU
TKM0C1
PAWU
PAPU
PAWU
PAPU
TKM0C1
PAWU
PAPU
TKM0C1
PAWU
PAPU
TKM0C1
PAWU
PAPU
PAWU
PAPU
—
—
—
—
I/T
ST
ST
ST
NSI
ST
ST
NSI
ST
NSI
ST
NSI
ST
ST
ST
ST
PWR
PWR
O/T
Description
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
—
Exte½nal inte½½½pt
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
—
To½ch ke½ inp½t
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
—
To½ch ke½ inp½t
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
—
To½ch ke½ inp½t
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
—
To½ch ke½ inp½t
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
CMOS Gene½al p½½pose I/O. Registe½ ena½led p½ll-½p and wake-½p.
—
—
—
On-chip de½½g clock pin
Powe½ voltage
G½o½nd
CMOS On-chip de½½g data/add½ess pin
Legend: I/T: Input type
O/T: Output type
OPT: Optional by register selection
PWR: Power
ST: Schmitt Trigger input
CMOS: CMOS output
NMOS: NMOS output
NSI: Non-standard input
Rev. 1.00
7
½e½½½a½½ ½½½ ½01½
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
