HD6433935 Hitachi, HD6433935 Datasheet - Page 159

• Manufacturer Part Number: HD6433935
• Description: 8-Bit MICROCONTROLLER
• Manufacturer: Hitachi

8.3.3
Table 8-6 shows the port 2 functions.
Table 8-6
Functions
P2
P2
P2
P2
8.3.4
Table 8-7 shows the port 2 states in each operating mode.
Table 8-7
Functions
P2
P2
P2
P2
P2
4
3
2
1
0
4
2
1
0
/SO
/SI
/SCK
, P2
/SO
/SI
/SCK
1
1
1
3
1
1
1
Function
States
Port 2 Functions
Port 2 States
Functions and Selection Method
The function depends on the corresponding bit in PCR2.
The function depends on bit SO1 in PMR2 and bit PCR2
The function depends on bit SI1 in PMR2 and bit PCR2
The function depends on bit SCK1 in PMR2 and bit PCR2
Reset
Low
High
Low
Function
Function
Function
Function
PCR2
PCR2
PCR2
PCR2
SCK1
SO1
SI1
Sleep
Retains
previous
state
n
2
1
0
Subsleep
Retains
previous
state
P2
P2
P2
2
1
0
0
0
0
input
input
input
P2
Standby
Retains
previous
state
n
0
0
0
0
input
P2
P2
P2
2
1
0
output
output
output
Watch
Retains
previous
state
1
1
1
1
2
in PCR2.
0
in PCR2.
Subactive
Functional
in PCR2.
SO
P2
SCK
SI
n
1
1
output
output
*: Don’t care
input
1
1
*
1
*
1
*
1
(n = 4 or 3)
Active
Functional
I/O
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