HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 459

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

Table C-6 (b) Port 6 Port Read (Pin P6
Mode and Setting
3
4
1, 2, 7
P6
n
MOS
pull-up
DDR = 0
DDR = 1
IRQ
IRQnE = 0
n
E = 1
Figure C-6 (b) Schematic Diagram of Port 6, Pin P6
Mode 3, 4
P6PWME = 1
Other than the DDR = 0
above settings DDR = 1
Falling edge
detector
PWM output enable PWM output value
Mode 3
1
Bus release
Software
standby
to P6
RP6
449
3
Mode 3 or 4
)
Mode 4
Q
P6 DDR
Q
Mode 3
WP6D
P6 DR
S
WP6
n
C
C
n
Reset
Reset
R
R
D
D
DR value
Pin value
DR value
Pin value
Pin value
DR value
Port Read Data
IRQ , IRQ , IRQ to CPU
1
3
to P6
WP6D:
WP6:
RP6:
n:
4
System control
register 2
P6PWME
Q
IRQ E to
Q
PWM timer module
PWM1, PWM2,
or PWM3
output enable
PWM1, PWM2,
or PWM3 output
3
IRQ E
3
5
Write to P6DDR
Write to Port 6
Read Port 6
1, 2, or 3
5
Bit 2
Bit 6, 5, or 4