+5V
+5V
4.7K
P1
P2
+5V
OUT 1 OF 10
4.7K
IN C 1 OF 10
4.7K
IN A 1 OF 10
+5V
CLOCK
COUNTER
TIMER
INPUT
IN B 1 OF 10
4.7K
COUNTER
TIMER
OUTPUT
TTL BUFFER
TTL BUFFER
TTL BUFFER
I/O
INTERFACE
COUNTER #10
16-BIT
COUNTER #9
16-BIT
COUNTER #1
COUNTER TIMER
CONTROL LOGIC
IP BUS
FPGA
IP BUS
TTL BUFFER
16-BIT
COUNTER #2
16-BIT
INTERFACE
INTERFACE