ST9291 ST Microelectronics, ST9291 Datasheet - Page 2

• Manufacturer Part Number: ST9291
• Description: 16-48K ROM HCMOS MCU WITH ON SCREEN DISPLAY AND VOLTAGE TUNINGOUTPUT
• Manufacturer: ST Microelectronics

ST9291
Figure 1. 42 Pin Shrink DIP Pinout
ST9291J Pin Description
Notes (N Package only) :
1. N.C. means “not connected”
2. Pins 14 and 28 (V DD ) are internally connected
2/20
Pin
10
11
12
13
14
15
16
17
18
19
20
21
1
2
3
4
5
6
7
8
9
P2.0/INT7
RESET
P0.7
P0.6
P0.5
P0.4
P0.3
P0.2
P0.1
P0.0
P3.7
P3.6
P3.5
P3.4
P3.3/B
P3.2/G
P3.1/R
P3.0/FB
P5.1/SDIO
P5.0/SCK/INT2
V
DD
19
20
21
name
1
2
3
Pin
Pin
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
VR01740B
42
41
40
23
22
P2.1/INT5/AIN1
P2.2/INT0/AIN2
P2.3/INT6/VSO1
P2.4/NMI
P2.5/AIN3/VSO2
OSCIN
OSCOUT
P4.7/PWM7/
EXTRG (AD)
P4.6/PWM6
P4.5/PWM5
P4.4/PWM4
P4.3/PWM3
P4.2/PWM2
P4.1/PWM1
P4.0/PWM0
VSYNC
HSYNC
AV
PLLR
PLLF
V
24
SS
DD
name
Pin
Figure 2. 56 Pin Shrink DIP Pinout
ST9291N Pin Description
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
P2.1/INT5/AIN1
P2.0/INT7
RESET
P0.7
P0.6
P0.5
N.C
P0.4
P0.3
P0.2
P0.1
P0.0
N.C.
V
N.C.
P3.7
P3.6
P3.5
P3.4
P3.3/B
P3.2/G
P3.1/R
P3.0/FB
P5.3
P5.2
P5.1/SDIO
P5.0/SCK/INT2
V
DD
DD
(2)
(2)
.(1)
26
27
28
(1)
(1)
name
1
2
3
Pin
Pin
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
VR01740A
P2.2/INT0/AIN2
P2.3/INT6/VSO1
P2.4/NMI
P2.5/AIN3/VSO2
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
OSCIN
OSCOUT
P4.7/PWM7/
EXTRG (AD)
P4.6/PWM6
P4.5/PWM5
P4.4/PWM4
P4.3/PWM3
P4.2/PWM2
P4.1/PWM1
P4.0/PWM0
VSYNC
HSYNC
AV
PLLR
PLLF
V
56
55
54
30
29
31
SS
DD
name
Pin