HD64F2149 Datasheet, PDF (1009/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

C.8 Port 8 Block Diagrams
Hardware
standby
*¹
P80
*²
HI12E
EXPE
Mode 2, 3
Reset
R
QD
P80DDR
C
WP8D
Reset
R
QD
P80DR
C
WP8
HIF : LPC
PME output
Output enable
RP8
WP8D : Write to P8DDR
WP8 : Write to port 8
RP8 : Read port 8
Notes: 1. Output enable signal
2. Open drain control signal
Figure C.25 Port 8 Block Diagram (Pin P80)
PME input
HIF : XBS
HA0 input
975