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AT89RFD-11 User Guide
7648A–USB–06/06
_EA
_EA
XTAL1
_PSEN
PLLF
XTAL2
XTAL2
XTAL1
_PSEN
UCAP
UCAP
PLLF
/RST
/RST
VCC
AVCC
AVSS
AVCC
Vcc
Vcc
Vcc
Vcc
Vcc
P3_6
P0_7
P0_6
P0_5
P0_4
P0_3
P0_2
P0_1
P2_3
P2_4
P3_0
P1_0
P1_1
P1_2
P3_2
P3_3
P3_4
P3_5
VREF
D+
D-
P3_5
P3_3
P3_2
P1_7
P1_6
P1_5
P2_1
P2_0
P0_0
P1_4
P1_3
P1_2
P1_1
P1_0
P3_7
Wheel
Smaller Swith
possible (Only
for ISP
programming)
Close to μC
Close to μC
Close to μC
C9
1μF
C9
1μF
R2
2.2 K
R2
2.2 K
C8
1μF
C8
1μF
SW1
ISP
SW1
ISP
Y1
CRYSTAL 24MHz
Y1
CRYSTAL 24MHz
C13
10nF
C13
10nF
R6
4K7
R6
4K7
R3
10K
R3
10K
R7
100
R7
100
C10
22 pF
C10
22 pF
C14
2.2 nF
C14
2.2 nF
1
2
SW4
Scroll
SW4
Scroll
C12
10nF
C12
10nF
1
2
SW3
Right
SW3
Right
R4
100
R4
100
VCC
2
QA
1
QB
3
U3
MID-95A3LH
U3
MID-95A3LH
R5
4K7
R5
4K7
1
2
SW2
Left
SW2
Left
D2
MIE-114A1
D2
MIE-114A1
P2.0/A8/D8
56
P2.1/A9/D9
57
P2.2/A10/D10
58
P1.5/CEX2/KIN5/MISO
59
P1.6/CEX3/KIN6/SCK
60
P1.7/CEX4/KIN7/MOSI
61
P4.0/SCL
62
P4.1/SDA
63
P2.3/A11/D11
2
P2.4/A12/D12
3
P2.5/A13/D13
4
XTAL2
5
XTAL1
6
P2.6/A14/D14
7
P2.7/A15/D15
8
VDD
9
AVDD
10
UCAP
11
AVSS
12
P3.0/RxD
14
PLLF
19
D-
20
D+
21
VREF
22
UVSS
23
EA
24
ALE
25
PSEN
26
P3.1/TxD
27
P3.2/INT0
28
P3.3/INT1/LED0
29
P3.4/T0
30
P3.5/T1/LED1
31
nc11
34
P3.6/WR/LED2
35
P0.7/AD7/D7
36
P0.6/AD6/D6
37
P0.5/AD5/D5
38
P3.7/RD/LED3
39
P0.4/AD4/D4
40
VSS
42
P0.3/AD3/D3
43
RST
44
P0.2/AD2/D2
45
P0.1/AD1/D1
46
nc13
47
P0.0/AD0/D0
55
P1.4/CEX1/KIN4
54
P1.3/CEX0/KIN3
53
P1.2/ECI/KIN2
52
P1.1/T2EX/KIN1/SS
51
P1.0/T2/KIN0
50
nc16
64
nc1
1
nc15
49
nc14
48
nc12
41
nc10
33
nc9
32
nc7
18
nc6
17
nc5
16
nc4
15
nc3
13
U2
AT89C5131A-M_VQFP64
U2
AT89C5131A-M_VQFP64
C11
22 pF
C11
22 pF
C7
100nF
C7
100nF
