I1 to I8 and ID to IG (PR-26)
I11 to I14 (PR-E expansion with address 1)
AI161 to AI164 (PR-E expansion with address 16)
Digital Outputs
Q1 to Q2 (PR-6)
Q1 to Q4 (PR-12, PR-14, EXM-12)
Q1 to Q6 (PR-18)
Q1 to QA (PR-24, PR-26)
Q11 to Q18 (PR-E expansion with address 1)
Q161 to Q168 (PR-E expansion with address 16)
Digital Flag blocks
F1-F32 (PR-6 and PR-12-E)
F1-F256 (PR-12, PR-18, PR-24, PR-26 and EXM)
-F8: Start-up flag
-F63: Buzzer of ELC-43TS control bit
-F64: Backlight control bit (to control the
backlight of LCD and backlight of ELC-43TS)
Analogue Flag blocks
AF1-AF32 (PR-6 and PR-12-E)
AF1 to AF256 (PR-12, PR-18, PR-24, PR-26 and
EXM)
Shift register bits S1 to S8