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.