SN8P2318 Series
C-type LCD, RFC 8-Bit Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 8
Version 1.5
1.2 SYSTEM BLOCK DIAGRAM
INTERRUPT
CONTROL
EXTERNAL
HIGH OSC.
ACC
INTERNAL
LOW RC
TIMING GENERATOR
RAM
SYSTEM REGISTERS
3-Level LVD
(Low Voltage Detector)
WATCHDOG TIMER
TIMER & COUNTER
P0
P1
RFC
ALU
PC
FLAGS
IR
OTP
ROM
P2
INTERNAL PLL
16MHz
C-TYPE BIAS
RFCO
4*32 LCD DRIVER
RFC0~RFC4
PWM
PWM0
COM0~COM3,
SEG0~SEG31
P3
P5
1.3 PIN ASSIGNMENT
SN8P2318F (LQFP 64 pin)
V
D
D
L
X
OU
T/
FL
O
L
X
IN
X
OU
T/
FC
P
U
O/
P
0
.4
XIN
V
S
S
V1
C+
C
-
V2
V
L
C
D
C
OM0
C
OM1
C
OM2
C
OM3
S
E
G0
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
P0.2/T1IN 1
O
48 SEG1
P0.1/INT1 2
47 SEG2
P0.0/INT0 3
46 SEG3
P1.0/RFC0 4
45 SEG4
P1.1/RFC1 5
44 SEG5
P1.2/RFC2 6
43 SEG6
P1.3/RFC3 7
42 SEG7
P1.4/RFC4 8
SN8P2318F
41 SEG8
P1.5 9
40 SEG9
P1.6/RFCOUT 10
39 SEG10
NC 11
38 SEG11
NC 12
37 SEG12
NC 13
36 SEG13
NC 14
35 SEG14
NC 15
34 SEG15
P5.4/PWM0 16
33 SEG16/P3.7
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
P
0
.3
/R
S
T/
V
P
P
S
E
G3
1
/P
2
.0
S
E
G3
0
/P
2
.1
S
E
G2
9
/P
2
.2
S
E
G2
8
/P
2
.3
S
E
G2
7
/P
2
.4
S
E
G2
6
/P
2
.5
S
E
G2
5
/P
2
.6
S
E
G2
4
/P
2
.7
S
E
G2
3
/P
3
.0
S
E
G2
2
/P
3
.1
S
E
G2
1
/P
3
.2
S
E
G2
0
/P
3
.3
S
E
G1
9
/P
3
.4
S
E
G1
8
/P
3
.5
S
E
G1
7
/P
3
.6