Rev. 6.00, 08/04, page 195 of 628
8.2.4
Pin States
Table 8.4 shows the port 1 pin states in each operating mode.
Table 8.4
Port 1 Pin States
Pins
Reset
Sleep
Subsleep Standby
Watch
Subactive Active
P1
7
/
IRQ
3
/TMIF
P1
6
*
1
P1
4
/
IRQ
4
/
ADTRG
P1
3
/TMIG
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
*
2
Retains
previous
state
Functional Functional
Notes: 1. Pin 1
6
and the associated function are not implemented on the H8/38124 Group.
2. A high-level signal is output when the MOS pull-up is in the on state.
8.2.5
MOS Input Pull-Up
Port 1 has a built-in MOS input pull-up function that can be controlled by software. When a
PCR1 bit is cleared to 0, setting the corresponding PUCR1 bit to 1 turns on the MOS input pull-up
for that pin. The MOS input pull-up function is in the off state after a reset.
PCR1
n
0
0
1
PUCR1
n
0
1
*
MOS input pull-up
Off
On
Off
(n = 7, 6, 4, 3)
*
: Don’t care
Summary of Contents for H8/38024 Series
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Page 661: ...H8 38024 H8 38024S H8 38024F ZTAT H8 38124 Group Hardware Manual...