ꢀ ꢁꢂꢃ ꢄ ꢅ ꢆ ꢇ ꢄ ꢆ ꢈ ꢀ ꢁꢂꢃ ꢄ ꢅ ꢆ ꢇ ꢃ ꢆ ꢈ ꢀ ꢁꢂꢃ ꢄꢅ ꢆꢇꢃ ꢆꢇ
ꢀ ꢉꢊꢋ ꢌ ꢁꢉ ꢍ ꢎꢏꢐ ꢀ ꢉꢑꢒꢓ ꢑꢓ ꢎꢔ ꢒꢓ ꢐꢐ ꢋꢒ
SLAS272F − JULY 2000 − REVISED JUNE 2004
APPLICATION INFORMATION
input/output schematic (continued)
port P3, P3.1, input/output with Schmitt-trigger
P3SEL.1
P3DIR.1
0: Input
1: Output
0
1
0
1
SYNC
MM
DCM_SIMO
STC
STE
Pad Logic
P3.1/SIMO0
P3OUT1
(SI)MO0
From USART0
P3IN.1
EN
D
SI(MO)0
To USART0
port P3, P3.2, input/output with Schmitt-trigger
P3SEL.2
P3DIR.2
0: Input
1: Output
0
1
0
1
SYNC
MM
DCM_SOMI
Pad Logic
STC
STE
P3.2/SOMI0
P3OUT.2
SO(MI)0
From USART0
P3IN.2
EN
D
(SO)MI0
To USART0
45
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TI [ TEXAS INSTRUMENTS ]
