SN8P2740 Series
ADC, OP-amp, Comparator 8-Bit Micro-Controller
1.2 SYSTEM BLOCK DIAGRAM
INTERNAL HIGH
3-Level LVD
PC
IR
RC 16MHz
(Low Voltage Detector)
OTP
EXTERNAL
HIGH OSC.
INTERNAL
LOW RC
WATCHDOG TIMER
ROM
FLAGS
Comparator 0
Comparator 1
Comparator 2
OPA
CM0N, CM0P, CM0O
CM1N, CM1P, CM1O
CM2N, CM2P. CM2O
OPN, OPP, OPO
AIN0~AIN7
TIMING GENERATOR
ALU
RAM
12-bit ADC
ACC
SYSTEM REGISTERS
TIMER & COUNTER
PWM & Pulse Output
PWM0
INTERRUPT
CONTROL
Buzzer
BZ
P0
P1
P4
1.3 PIN ASSIGNMENT
SN8P2743K (SKDIP 24 pin)
SN8P2743S (SOP 24 pin)
VSS
XIN/P0.6
XOUT/P0.5/BZ
RST/VPP/P0.4
P0.0/INT0
1
2
3
4
5
6
7
8
9
U
24 VDD
23 P4.7/AIN7
22 P4.6/AIN6
21 P4.5/AIN5
20 P4.4/AIN4
P0.1/PWM0
P0.2/CM0P
P0.3/CM0N
P1.6/CM1P
P1.5/CM1N 10
P1.4/CM2P 11
P1.3/CM2N 12
19 P4.3/AIN3/CM0O
18 P4.2/AIN2/CM1O
17 P4.1/AIN1/CM2O
16 P4.0/AIN0/AVREFH
15 P1.0/OPN
14 P1.1/OPP
13 P1.2/OPO
SN8P2742P (DIP 20 pin)
SN8P2742S (SOP 20 pin)
VSS
XIN/P0.6
XOUT/P0.5/BZ
1
2
3
4
5
6
7
8
9
U
20 VDD
19 P4.5/AIN5
18 P4.4/AIN4
17 P4.3/AIN3/CM0O
16 P4.2/AIN2/CM1O
15 P4.1/AIN1/CM2O
14 P4.0/AIN0/AVREFH
13 P1.0/OPN
RST/VPP/P0.4/ P0.1/PWM0
P0.2/CM0P
P0.3/CM0N
P1.6/CM1P
P1.5/CM1N
P1.4/CM2P
12 P1.1/OPP
P1.3/CM2N 10
11 P1.2/OPO
SONiX TECHNOLOGY CO., LTD
Page 7
Version 2.0
SONIX [ SONIX TECHNOLOGY COMPANY ]
