H83814 Datasheet, PDF (175/456 Pages) Renesas Technology Corp – single-chip microcomputers

Table 8-30 Port A Pin Functions (cont)
Pin
PA₀/COM₁
Pin Functions and Selection Method
The pin function depends on bit PCRA₀ in PCRA, and bits SGX and SGS3 to
SGS0 in LPCR.
SGS3 to SGS0
0000
0000
Not 0000
SGX
0
1
*
PCRA₀
0
1
Pin function PA₀ input pin PA₀ output pin
*
COM₁ output pin
Note: * Don’t care
8.11.4 Pin States
Table 8-31 shows the port A pin states in each operating mode.
Table 8-31 Port A Pin States
Pins
PA₃/COM₄
PA₂/COM₃
PA₁/COM₂
PA₀/COM₁
Reset
High-
impedance
Sleep
Retains
previous
state
Subsleep Standby
Retains
previous
state
High-
impedance
Watch Subactive Active
Retains Functional Functional
previous
state
162