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PDF S3C921F Data sheet ( Hoja de datos )
| Número de pieza | S3C921F | |
| Descripción | SAM88RCRI family of 8-bit single-chip CMOS microcontrollers | |
| Fabricantes | Samsung semiconductor | |
| Logotipo |  |
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S3C921F/P921F
1 PRODUCT OVERVIEW
PRODUCT OVERVIEW
SAM88RCRI PRODUCT FAMILY
Samsung's SAM88RCRI family of 8-bit single-chip CMOS microcontrollers offer fast and efficient CPU, a wide
range of integrated peripherals, and supports OTP device.
A dual address/data bus architecture and bit- or nibble-configurable I/O ports provide a flexible programming
environment for applications with varied memory and I/O requirements. Timer/counters with selectable operating
modes are included to support real-time operations.
S3C921F/P921F MICROCONTROLLER
The S3C921F can be used for dedicated control functions in a variety of applications, and is especially designed
for application with voice synthesizer or etc.
The S3C921F/P921F single-chip 8-bit microcontroller is fabricated using an advanced CMOS process. It is built
around the powerful SAM88RCRI CPU core.
Stop and Idle power-down modes were implemented to reduce power consumption. To increase on-chip register
space, the size of the internal register file was logically expanded. The S3C921F/P921F has 64 Kbytes of
program ROM and 192 Kbytes of data ROM on-chip (S3C921F), and 720 bytes of RAM including 16 bytes of
working register and 128 bytes of LCD display RAM.
Using the SAM88RCRI design approach, the following peripherals were integrated with the SAM88RCRI core:
— Four configurable I/O ports including ports shared with segment/common drive outputs
— 8-bit programmable pins for external interrupts
— One 8-bit basic timer for oscillation stabilization and watch-dog functions
— One 8-bit and one 16-bit timer/counter with selectable operating modes
— Watch timer for real time
— Two PWM modules for direct speaker drive
OTP
The S3C921F microcontroller is also available in OTP (One Time Programmable) version. S3P921F
microcontroller has an on-chip 256 Kbyte one-time-programmable EPROM instead of masked ROM. The
S3P921F is comparable to S3C921F, both in function and in pin configuration.
1-1
1 page  
S3C921F/P921F
PRODUCT OVERVIEW
Pin Names
P1.0, P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0 - P2.7
P3.0 - P3.7
P4.0 - P4.7
PWM0
PWM1
VLC1
INT
BUZ
T0CK
T0
T1CK
TA
TB
COM0-COM7
COM8-COM15
SEG0-SEG47
SEG48-SEG55
SEG56-SEG63
Table 1-1. Pin Descriptions
Pin
Type
I/O
I/O
I/O
I/O
O
Pin Description
I/O port with bit-programmable pins;
Schmitt trigger input or push-pull, open-
drain output and software assignable pull-
ups;
Alternately used for external interrupt
input(noise filters, interrupt enable and
pending control).
I/O port with nibble-programmable pins;
Schmitt trigger input or push-pull, open-
drain output and software assignable pull-
ups.
I/O port with bit-programmable pins;
Schmitt trigger input or push-pull, open-
drain output and software assignable pull-
ups.
I/O port with nibble-programmable pins;
Schmitt trigger input or push-pull output
and software assignable pull-ups.
PWM output pins.
Circuit
Number
E-2
H-9
H-8
H-10
C
I LCD power supply pin.
I/O External interrupt input pins.
–
E-2
I/O Output pin for buzzer signal.
I/O Timer 0 clock input.
I/O Capture input or interval/PWM output.
I/O Timer 1/A external clock input.
I/O Timer 1/A clock output.
I/O Timer B clock output.
O LCD common data outputs.
I/O LCD common data outputs.
O LCD segment data outputs.
I/O LCD segment data outputs.
E-2
E-2
E-2
E-2
E-2
E-2
H-4
H-9
H-5
H-10
H-8
Pin
Numbers
23, 24
25
26
27
28
29
30
38 - 31
Share
Pins
INT
BUZ/INT
T0CK/INT
T0/INT
T1CK/INT
TA/INT
TB/INT
COM8-
COM15
46 - 39
SEG56-
SEG63
54 - 47
SEG48-
SEG55
13
14
11
23, 24
25
26
27
28
29
30
25
26
27
28
29
30
10 - 3
38 - 31
2-1
100-55
54 - 47
46 - 39
–
–
P1.0, P1.1
P1.2/BUZ
P1.3/T0CK
P1.4/T0
P1.5/T1CK
P1.6/TA
P1.7/TB
P1.2/INT
P1.3/INT
P1.4/INT
P1.5
P1.6
P1.7
–
P2.0 - P2.7
–
P4.0 - P4.7
P3.0 - P3.7
1-5
5 Page 
S3C921F/P921F
Open-Drain
Data
Output Disable 1
SEG
Output Disable 2
PRODUCT OVERVIEW
VDD
Pull-up
VDD Resistor
P-CH
N-CH
I/O
Resistor
Enable
Circuit
Type H-7
Figure 1-13. Pin Circuit Type H-8
Open-Drain
Data
Output Disable 1
COM
Output Disable 2
VDD
Pull-up
VDD Resistor
P-CH
N-CH
I/O
Resistor
Enable
Circuit
Type H-6
Figure 1-14. Pin Circuit Type H-9
1-11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet S3C921F.PDF ] | |
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