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PCB-MAIN MICON
IC7A0,7A2,7A3 M62320FP
CS0 CS1 CS2
16
2
SCL
I C BUS
2
3
INTERFACE
SDA
Output Data
8
OUTPUT DATA
LATCH
Reset
13
V
DD
POWER ON
8
RESET
GND
D7
IC7A1 ADC0838CCWM
17
D1
18
CS
R
START
SGL/DIF ODD/SIGN SELECT1 SELECT0
16
CLK
VCC
1
CH0*
2
CH1*
3
CH2*
4
CH3*
5
CH4*
6
CH5*
7
CH6*
8
CH7*
9
COM*
12
V
REF
20
V
CC
19
+
V *
7V ZENER
10
D GND*
11
A GND
*Some of these functions/plns are not avallable with other options.
IC7A7 USBRCV
EPROM
2K/4K Byte
ON RESET
15
14
SHIFT REGISTER
Input/Output
8
8
INPUT DATA
DIRECTIONAL
REGISTER
LATCH
8
8
8
Input Data
I/O PORT
12
11
10
9
7
6
5
4
D6
D5
D4
D3
D2
D1
D0
R
R
R
R
D
5 BIT SHIFT REGISTER
C
MUX
ADDRESS
∑
ANALOG
MUX
(EQUIVALENT)
C
TO INTERNAL
CIRCUITRY
7V ZENER
Vcc
TO
INPUT
INTERNAL
13
CIRCUITS
16
17
18
INPUT PROTECTION - ALL LOGIC INPUTS
6 MHz
CERAMIC RESONATOR/
CRYSTAL
R/C
EXT
XTALOUT
XTALIN
9
11
10
INSTANT-ON
OSC
NOW
8-bit
RISC
CORE
POWER
INTERRUPT
USB
WATCH
CONTROLLER
ENGINE
DOG
TIMER
7
IC7A8 XC62FP4002PR
VIN
1
2
SO
Voltage Source
CS
COMP
COMP
C
R
SAR
LOGIC
R
AND
LATCH
LADDER
AND
DECODER
COMP
SHOT
PARALLEL
XFR TO
SHIFT REG
TM
RAM
128 Byte
TIMER
PORT
0
12 13 14
1
2
3
4
20 19 18 17
IC BLOCK DIAGRAMS
3
Voltage Limitter
1
START CONV AND ENABLE
TSL OUTPUT BUFFER
T D
TIME
DELAY
START
C
L
Q
L2
CS
R
EOC
B7
R
C
B6
B5
8-BIT
B4
C
SHIFT
B3
REGISTER
CS
R
F1
B2
L
B1
B0
EOC
LSB FIRST
ONE
MSB FIRST
8-bit
PORT
1
5
16 6
15
VOUT
VSS
13
SE*
15
SARS*
CS
L Q
L1
C
R
CS
14
Q
DO
7
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