R-7N76(W)M
R-7N76(B)M
25
Pin No.
Signal
I/O
Description
52-56
P04-P00
OUT
Segment data signal.
Signal similar to P15.
57-59
P37-P35
OUT
Terminal not used.
60-64
P34-P30
OUT
Used for initial balancing of the bridge circuit (absolute humidity sensor).
Pin No.
Signal
I/O
Description
1-3
A0-A2
IN
Connected to VC (-5V).
4
VSS
IN
Connected to VC (-5V).
5
SDA
IN/OUT Serial data input/output : input/outputs data to IC1.
6
SCL
IN
Clock signal input : input/outputs serial data at every one pulse.
7
TEST
IN
Connected to VC (-5V).
8
VCC
IN
Connected to GND.
Memory IC (IC2)
X24C02P is a 2K-bit, serial memory, enabling CMOS to be erased/written electrically. This memory is constructed with 256
registers x 8 bits, enabling individual access, read and write operations to be performed. Details of input/output signal for
IC2 are as shown in the following table.
