HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 724

• Manufacturer Part Number: HD6417641
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 18 Multi-Function Timer Pulse Unit (MTU)
The POE has input-level detection circuitry and output-level detection circuitry, as shown in the
block diagram of figure 18.114.
Rev. 4.00 Sep. 14, 2005 Page 674 of 982
REJ09B0023-0400
TIOC3D
TIOC4C
TIOC4D
TIOC3B
TIOC4A
TIOC4B
[Legend]
OCSR: Output level control/status register
ICSR1: Input level control/status register
POE3
POE2
POE1
POE0
Input level detection circuit
detection circuit
detection circuit
detection circuit
φ/8
detection circuit
detection circuit
Output level
Output level
Output level
Falling-edge
Low-level
Devider
pφ
Figure 18.114 POE Block Diagram
φ/16
φ/128
OCSR
ICSR1
Hi-Z request
control signal
Interrupt request