BS84B08A-3/BS84C12A-3
A/D Type Touch Key MCU
Selection Table
Most features are common to all devices, the main distinguishing feature is the number of I/Os and
Touch Keys. The following table summarises the main features of each device.
Part No.
Internal
Clock
8½Hz
1½½Hz
16½Hz
8½Hz
1½½Hz
16½Hz
V
DD
System
Clock
Program
Memory
Data
Memory
Data
EEPROM
I/O
High
Current
LED
Output
½½
A/D
8-bit Time
Timer Base
Touch SPI/
Key
I
2
C
LVR
Stack
Package
BS84B08A-½
½.7V ~
5.5V
½.7V ~
5.5V
8½Hz ~
16½Hz
8½Hz ~
16½Hz
½K×16
½88×8
64×8
½½
1½-bit
×8
1½-
bit×8
1
1
8
1
½.55V
6
16NSOP/SSOP
½0SOP/SSOP
½4SOP/SSOP
½0SOP/SSOP
½4SOP/SSOP
½8SOP/SSOP
BS84C1½A-½
4K×16
½84×8
64×8
½6
½6
1
1
1½
1
½.55V
6
Block Diagram
L o w
V o lta g e
R e s e t
W a tc h d o g
T im e r
F la s h /E E P R O M
P r o g r a m m in g
C ir c u itr y ( IC P )
S ta c k
8 - b it
R IS C
M C U
C o re
In te rru p t
C o n tr o lle r
L IR C
O s c illa to r
F la s h
P ro g ra m
M e m o ry
E E P R O M
D a ta
M e m o ry
T im e
B a s e
R A M
D a ta
M e m o ry
H IR C
O s c illa to r
1 2 - B it A /D
C o n v e rte r
T o u c h k e y s
I/O
S IM
8 - b it
T im e r
Rev. 1.00
8
½a½ 0½½ ½01½
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
