SN8P2740 Series
ADC, OP-amp, Comparator 8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 6
Version 2.0
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PRODUCT OVERVIEW
1.1 FEATURES
Features Selection Table
CHIP
ROM
RAM
Stack
Timer
PWM
Pulse
Generator
Buzzer
Ext.
Int
I/O
ADC
OP-
amp
Comp-
arator
Package
T0 TC0
SN8P2743
4K*16 128*8
8
V
V
1
1
1
1
22
8-ch
1
3
SKDIP24
SOP24
SN8P2742
4K*16 128*8
8
V
V
1
1
1
-
18
6-ch
1
3
PDIP20
SOP20
SN8P27411
4K*16 128*8
8
V
V
1
1
1
-
14
6-ch
1
3
PDIP16
SOP16
Memory configuration
One 8-bit basic timer. (T0).
ROM size: 4K * 16 bits.
One 8-bit timer with PWM and pulse generator
RAM size: 128 * 8 bits.
(TC0).
One 2K/4K programmable buzzer output.
8 levels stack buffer.
8-channel 12-bit SAR ADC.
7 interrupt sources
1-set rail-to-rail OP-amp.
6 internal interrupts: T0, TC0, ADC, CM0, CM1, CM2
3-set comparators.
1 external interrupt: INT0
On chip watchdog timer and clock source is
Internal low clock RC type (16KHz @3V, 32KHz
I/O pin configuration
@5V).
Bi-directional: P0, P1, P4.
Wakeup: P0, P1 level change.
4 system clocks
Pull-up resisters: P0, P1, P4.
External high clock: RC type up to 10 MHz
Op-amp/Comparator pins: P1, P4.
External high clock: Crystal type up to 16 MHz
ADC input pin: P4.0~P4.7.
Internal high clock: RC type 16MHz
Internal low clock: RC type 16KHz(3V), 32KHz(5V)
Fcpu (Instruction cycle)
Fcpu = Fosc/4, Fosc/8, Fosc/16.
4 operating modes
Normal mode: Both high and low clock active
3-Level LVD
Slow mode: Low clock only.
2.0V/2.4V/3.6V
Sleep mode: Both high and low clock stop
Green mode: Periodical wakeup by timer
Powerful instructions
Instruction‟s length is one word.
Package (Chip form support)
Most of instructions are one cycle only.
SKDIP 24 pin
All ROM area JMP/CALL instruction.
PDIP 20 pin
All ROM area lookup table function (MOVC).
SOP 24 pin
To support MUL / DAA instruction
SOP 20 pin
PDIP 16 pin
SOP 16 pin