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S3F84B8_UM_REV 1.00
1.1.5 PIN DESCRIPTIONS
shows the pin descriptions (20-DIP/20-SOP) in S3F84B8.
Table 1-1
Pin Name
Type
INT0-INT5
ADC0-ADC7
BUZ
PWM
TAOUT
TACK
TACAP
TDOUT
CMP0_P
CMP0_N
CMP1_N
CMP2_N
CMP3_N
OPA_O
OPA_N
OPA_P
nRESET
Table 1-1
Pin Descriptions (20-DIP/20-SOP) in S3F84B8
Pin
Pin Description
I
External interrupts
I
A/D converter analog input channels
O
Frequency output from buzzer
O
PWM output
O
Timer/counter(A) match output, or
Timer/counter(A) PWM output
I
Timer/counter(A) external clock input
I
Timer/counter(A) external capture input
O
Timer/counter(D) match output, or
Timer/counter(D) PWM output
I
Comparater0 positive input pin
I
Comparater0 negative input pin
I
Comparater1 negative input pin
I
Comparater2 negative input pin
I
Comparater3 negative input pin
O
Operational amplifier output pin
I
Operational amplifier negative input pin
I
Operational amplifier positive input pin
I
Reset Pin
1 OVERVIEW OF S3F84B8 MICROCONTROLLER
Circuit
Type
1-3
2-1
1-1
1-2
1-3
1-3
1-3
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-1
1-2
1-1
1-1
3
1-7
Pin No.
Shared
Pins
2-8
P0.0-P0.6
12-19
P2.0-2.7
5
P0.3
6
P0.4
8
P0.6
9
P1.0
10
P1.1
12
P2.0
9
P1.0
10
P1.1
11
P1.2
16
P2.4
17
P2.5
15
P2.3
14
P2.2
13
P2.1
4
P0.2
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