296
Port Name
Pin Name
MCU
Operating
Mode
Reset
Hardware
Standby
Mode
Software
Standby Mode
Bus-Released
State
Program
Execution State
Sleep Mode
PG4/
BREQO
1, 2, 4 to 7
T
T
[
BREQO
output]
BREQO
[Otherwise]
keep
BREQO
output
BREQO
[Otherwise]
keep
[
BREQO
output]
BREQO
[Otherwise]
I/O port
PG3/
CS3
PG2/
CS2
PG1/
CS1
1, 2, 4 to 7
T
T
[
CS
output, OPE = 0]
T
[
CS
output, OPE = 1]
H
[Otherwise]
keep
[
CS
output]
T
[Otherwise]
keep
[
CS
output]
CS
[Otherwise]
I/O port
PG0/
CS0
1, 2, 5, 6
H
T
[
CS
output, OPE = 0]
T
[
CS
output]
T
[
CS
output]
CS
4, 7
T
[
CS
output, OPE = 1]
H
[Otherwise]
keep
[Otherwise]
keep
[Otherwise]
I/O port
PH3/
OE
/
CS7
1, 2, 4 to 7
T
T
[
OE
output, OPE = 0]
T
[
OE
output, OPE = 1]
H
[
CS
output, OPE = 0]
T
[
CS
output, OPE = 1]
H
[Otherwise]
keep
[
OE
output]
T
[
CS
output]
T
[Otherwise]
keep
[
OE
output]
OE
[
CS
output]
CS
[Otherwise]
I/O port
PH2/
CS6
PH1/
CS5
PH0/
CS4
1, 2, 4 to 7
T
T
[
CS
output, OPE = 0]
T
[
CS
output, OPE = 1]
H
[Otherwise]
keep
[
CS
output]
T
[Otherwise]
keep
[
CS
output]
CS
[Otherwise]
I/O port
Legend
L:
Low level
keep: Input port becomes high-impedance, output port retains state
OPE:
Output port enable
H:
High level
T:
High impedance
DDR
Data direction register
Note:
*
Shows the state after completion of the executing bus cycle.
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