HD6475348R Datasheet, PDF (459/487 Pages) Hitachi Semiconductor – Single-Chip Microcomputer

MOS
pull-up
P6n
Mode 3, 4
Mode 3 or 4
Bus release
Software
standby
Mode 3
Reset
SR
QD
P6 n DDR
C
WP6D
Reset
R
QD
P6 n DR
C
WP6
RP6
Mode 3
Mode 4
WP6D: Write to P6DDR
WP6: Write to Port 6
RP6: Read Port 6
n:
1, 2, or 3
PWM timer module
PWM1, PWM2,
or PWM3
output enable
PWM1, PWM2,
or PWM3 output
System control
register 2
P6PWME Bit 2
Q
IRQ3E to _{Bit 6, 5, or 4}
IRQ5 E
Q
Falling edge
detector
IRQ3 , IRQ4, IRQ5 to CPU
Figure C-6 (b) Schematic Diagram of Port 6, Pin P61 to P63
Table C-6 (b) Port 6 Port Read (Pin P61 to P63)
Mode and Setting
3
4
DDR = 0
DDR = 1
1, 2, 7 IRQnE = 1
IRQnE = 0
P6PWME = 1
Other than the
above settings
PWM output enable
DDR = 0
DDR = 1
Port Read Data
DR value
Pin value
DR value
Pin value
PWM output value
Pin value
DR value
449