r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 520

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Section 12 Port Output Enable (POE)
Figure 12.1 shows a block diagram of the POE.
Rev. 1.00 Sep. 21, 2007 Page 494 of 1124
REJ09B0402-0100
[Legend]
ICSR1:
ICSR2:
ICSR3:
OCSR1:
OCSR2:
TIOC3DS
TIOC4CS
TIOC4DS
TIOC3BS
TIOC4AS
TIOC4BS
TIOC3B
TIOC3D
TIOC4A
TIOC4C
TIOC4B
TIOC4D
POE2
POE1
POE0
POE6
POE5
POE4
POE8
Input level control/status register 1
Input level control/status register 2
Input level control/status register 3
Output level control/status register 1
Output level control/status register 2
Input level detection circuit
Input level detection circuit
Input level detection circuit
Output level comparison circuit
Output level comparison circuit
Output level comparison circuit
Output level comparison circuit
Output level comparison circuit
Output level comparison circuit
detection circuit
detection circuit
detection circuit
sampling circuit
sampling circuit
sampling circuit
Falling edge
Falling edge
Falling edge
Low level
Low level
Low level
Figure 12.1 Block Diagram of POE
SPOER:
POECR1:
POECR2:
Frequency
divider
Pφ
Pφ/8
Pφ/16
Pφ/128
Software port output enable register
Port output enable control register 1
Port output enable control register 2
POECR1,
POECR2
SPOER
High-impedance
request signal for MTU2
large current pin
High-impedance
request signal for MTU2
channel 0 pins
High-impedance
request signal for
MTU2S large current pin
Interrupt
request signal