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| HD64F2149 Datasheet, PDF (1010/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer | |||
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Hardware
standby
*1
P81
*2
Mode 2, 3
EXPE
HI12E
Reset
R
QD
P81DDR
C
WP8D
Reset
R
QD
P81DR
C
WP8
HIF : XBS
GA20 output
Output enable
HIF : LPC
GA20 output
Output enable
CS2E
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.26 Port 8 Block Diagram (Pin P81)
HIF : XBS
CS2 input
HIF : LPC
GA20 input
976
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