HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 413

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

The POE has input-level detection circuitry and output-level detection circuitry, as shown in the
block diagram of figure 11.114.
TIOC3D
TIOC4C
TIOC4D
TIOC3B
TIOC4A
TIOC4B
POE3
POE2
POE1
POE0
[Legend]
OCSR: Output level control/status register
ICSR1: Input level control/status register
Input level detection circuit
φ/8
detection circuit
detection circuit
detection circuit
Output level
Output level
Output level
detection circuit
detection circuit
Falling-edge
Low-level
Figure 11.114
φ/16
φ/128
ICSR1
OCSR
POE Block Diagram
11.
Rev.4.00 Mar. 27, 2008 Page 369 of 882
Multi-Function Timer Pulse Unit (MTU)
High-
impedance
request control
signal
Interrupt request
REJ09B0108-0400