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