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PDF S3P7238 Data sheet ( Hoja de datos )
| Número de pieza | S3P7238 | |
| Descripción | The S3C7238/C7235 single-chip CMOS microcontroller has been designed for high performance using Samsungs newest 4-bit CPU core/ SAM47 (Samsung Arrange | |
| Fabricantes | Samsung semiconductor | |
| Logotipo |  |
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S3C7238/P7238/C7235/P7235
1 PRODUCT OVERVIEW
PRODUCT OVERVIEW
OVERVIEW
The S3C7238/C7235 single-chip CMOS microcontroller has been designed for high performance using
Samsung's newest 4-bit CPU core, SAM47 (Samsung Arrangeable Microcontrollers).
With features such as LCD direct drive capability, 8-bit timer/counter, and serial I/O, the S3C7238/C7235 offer
an excellent design solution for a wide variety of applications that require LCD functions.
Up to 40 pins of the 80-pin QFP package can be dedicated to I/O. Six vectored interrupts provide fast response
to internal and external events. In addition, the S3C7238/C7235's advanced CMOS technology provides for low
power consumption and a wide operating voltage range.
OTP
The S3C7238/C7235 microcontroller is also available in OTP (One Time Programmable) version,
S3P7238/P7235. S3P7238/P7235 microcontroller has an on-chip 8/16-Kbyte one-time-programmable EPROM
instead of masked ROM. The S3P7238/P7235 is comparable to S3C7238/C7235, both in function and in pin
configuration.
1-1
1 page  
S3C7238/P7238/C7235/P7235
PRODUCT OVERVIEW
PIN DESCRIPTIONS
Table 1-1. S3C7238/C7235 Pin Descriptions
Pin Name Pin
Type
Description
Number
Share
Pin
P0.0
P0.1
P0.2
P0.3
I 4-bit input port.
I/O 1-bit and 4-bit read and test are possible.
I/O 4-bit pull-up resistors are software assignable.
I
20 INT4
21 SCK
22 SO
23 SI
P1.0
P1.1
P1.2
P1.3
I 4-bit input port.
1-bit and 4-bit read and test are possible.
4-bit pull-up resistors are software assignable.
24 INT0
25 INT1
26 INT2
27 TCL0
P2.0
P2.1
P2.2
P2.3
I/O 4-bit I/O port.
1-bit and 4-bit read/write and test are possible.
4-bit pull-up resistors are software assignable.
28 TCLO0
29 –
30 CLO
31 BUZ
P3.0
P3.1
P3.2
P3.3
I/O 4-bit I/O port.
1-bit and 4-bit read/write and test are possible.
Each individual pin can be specified as input
or output. 4-bit pull-up resistors are software
assignable.
32 LCDCK
33 LCDSY
34
35
P4.0–
P4.3
P5.0–
P5.3
I/O 4-bit I/O ports. N-channel open-drain output up 36–43
to 5 V. 1-, 4-, and 8-bit read/write and test are
possible. Ports 4 and 5 can be paired to
support 8-bit data transfer. 4-bit pull-up
resistors are software assignable.
–
P6.0–
P6.3
P7.0–
P7.3
I/O 4-bit I/O ports. Port 6 pins are individually
44–51 KS0–KS3
software configurable as input or output. 1-bit
KS4–KS7
and 4-bit read/write and test are possible. 4-bit
pull-up resistors are software assignable. Ports
6 and 7 can be paired to enable 8-bit data
transfer.
P8.0–
P8.7
O Output port for 1-bit data (for use as CMOS
driver only)
59–52 SEG24–
SEG31
SEG0–
SEG23
O LCD segment signal output
3–1,
80–60
–
SEG24–
SEG31
O LCD segment signal output
59–52 P8.0–P8.7
COM0–
COM3
O LCD common signal output
4–7 –
VLC0–VLC2 – LCD power supply. Voltage dividing resistors
are assignable by mask option
9–11 SCLK
SDAT
BIAS
– LCD power control
8–
LCDCK
I/O LCD clock output for display expansion
32 P3.0
Reset
Value
Input
Input
Circuit
Type
A-1
D*
D*
A-1
A-1
Input
D
Input
D
Input
E
Input
D*
Output H-16
Output H-15
Output H-16
Output H-15
––
–
Input
–
D
1-5
5 Page 
S3C7238/P7238/C7235/P7235
ELECTRICAL DATA
Table 14-2. D.C. Electrical Characteristics (Continued)
(TA = – 40 °C to + 85 °C, VDD = 1.8 V to 5.5 V)
Parameter
Output low
voltage
Input high
leakage
current
Input low
leakage
current
Output high
leakage
current
Output low
leakage
current
Pull-up
resistor
LCD voltage
dividing
resistor
COM output
impedance
SEG output
impedance
COM output
voltage
deviation
SEG output
voltage
deviation
Symbol
VOL1
VOL2
ILIH1
ILIH2
ILIL1
ILIL2
ILOH1
Conditions
VDD = 4.5 V to 5.5 V, Ports 0, 2–7
IOL = 15 mA
VDD = 4.5 V to 5.5 V, Port 8 only
IOL = 100 µA
VIN = VDD
All input pins except those specified
below for ILIH2
VIN = VDD
XIN, XOUT, XTIN and XTOUT
VIN = 0 V
All input pins except XIN, XOUT,
XTIN and XTOUT
VIN = 0 V
XIN, XOUT, XTIN and XTOUT
VOUT = VDD
All output pins
ILOL
VOUT = 0 V
All output pins
RL1
RL2
RLCD
Ports 0–7
VIN = 0 V; VDD = 5 V
VDD = 3 V
VIN = 0 V; VDD = 5 V, RESET
VDD = 3 V
TA = 25 °C
RCOM
RSEG
VDC
VDS
VDD = 5 V
VDD = 3 V
VDD = 5 V
VDD = 3 V
VDD = 5 V (VLC0 – COMi)
Io = ± 15uA (I = 0–3)
VDD = 5 V (VLC0-SEGi)
Io = ± 15µA (I = 0–31)
Min
–
–
–
–
–
–
25
50
100
200
50
–
–
–
Typ
0.4
–
–
–
–
–
47
95
220
450
93
3
5
3
5
± 45
ñ 45
Max Units
2V
1
3 µA
20
–3
– 20
3 µA
–3
100 KΩ
200
400
800
140
6
15
6
15
± 90 mV
ñ 90
mV
14-3
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet S3P7238.PDF ] | |
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