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B-25
SIGNAL DESCRIPTIONS
Table B-9. 8XC196MH Default Signal Conditions
Port Signals
Alternate
Functions
During
RESET#
Active
Upon
RESET#
Inactive
(Note 12)
Idle Powerdown
P0.5:0 ACH5:0 HiZ — HiZ HiZ
P0.6 ACH6/T1CLK HiZ — HiZ HiZ
P0.7 ACH7/T1DIR HiZ — HiZ HiZ
P1.0 TXD0 WK1 WK1 (Note 10) (Note 10)
P1.1 RXD0 WK1 WK1 (Note 10) (Note 10)
P1.2 TXD1 WK1 WK1 (Note 10) (Note 10)
P1.3 RXD1 WK1 WK1 (Note 10) (Note 10)
P2.0 EPA0 WK1 (Note 1) WK1 (Note 10) (Note 10)
P2.1 BCLK0 /SCLK0# WK1 WK1 (Note 10) (Note 10)
P2.2 EPA1 WK1 WK1 (Note 10) (Note 10)
P2.3 COMP3 WK1 WK1 (Note 10) (Note 10)
P2.5:4 COMP1:0 WK1 WK1 (Note 10) (Note 10)
P2.6 COMP2 MD1 (Note 1) MD1 (Note 10) (Note 10)
P2.7 BCLK1 /SCLK1# WK1 WK1 (Note 10) (Note 10)
P3.7:0 AD7:0 WK1 HiZ (Note 10) (Note 3)
P4.7:0 AD15:8 WK1 HiZ (Note 3) (Note 3)
P5.0 ADV#/ALE WK1 (Note 1) (Note 6) (Note 6) (Note 6)
P5.1 INST WK1 WK1 (Note 7) (Note 7)
P5.2 WR#/WRL# WK1 (Note 1) WK1 (Note 8) (Note 8)
P5.3 RD# WK1 (Note 1) (Note 4) (Note 8) (Note 8)
P5.4 ONCE# MD1 (Note 1) MD1 (Note 8) (Note 8)
P5.5 BHE#/WRH# WK1 (Note 5) (Note 10) (Note 10)
P5.6 READY WK1 WK1 (Note 9) (Note 9)
P5.7 BUSWIDTH WK1 WK1 (Note 9) (Note 9)
P6.0 WG1# WK1 WK1 (Note 11) (Note 11)
P6.1 WG1 WK1 WK1 (Note 11) (Note 11)
P6.2 WG2# WK1 WK1 (Note 11) (Note 11)
P6.3 WG2 WK1 WK1 (Note 11) (Note 11)
P6.4 WG3# WK1 WK1 (Note 11) (Note 11)
P6.5 WG3 WK1 WK1 (Note 11) (Note 11)
P6.6 PWM0 WK0 WK1 (Note 11) (Note 11)
P6.7 PWM1 WK0 WK1 (Note 11) (Note 11)
— EA# HiZ — HiZ HiZ
— EXTINT HiZ — HiZ HiZ
— NMI WK0 — WK0 WK0
— RESET# LoZ0/HiZ
(Note 2)
—HiZHiZ
—V
PP
HiZ — LoZ1 LoZ1