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PDF SC9318-033 Data sheet ( Hoja de datos )
| Número de pieza | SC9318-033 | |
| Descripción | digital tuning system | |
| Fabricantes | Silan Semiconductors | |
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Silan
Semiconductors
SC9318-033
DIGITAL TUNING SYSTEM
DESCRIPTION
The SC9318-033 is a single-chip digital tuning system optimum
for portable sets such as headphone radio, etc… 5-band of
FM/MW/LW/TV/SW are provided compatibly with worldwide
destinations.
FEATURE
Tuning function:
• Manual tuning (up/down)
• Direct tuning
• Seek tuning
Memory function:
• FM/MW/LW or TV/SW/WB each band 10 stations
LQFP-64-10x10-0.5
LQFP-64-12 x12-0.65
Clock function:
• Dual clock function
• 12/24H clock
• Sleep timer function
• Alarm timer function
Other function:
Battery check input
ORDERING INFORMATION
Device
Package
SC9318FA LQFP-64-10x10–0.5
SC9318FB LQFP-64-12x12–0.65
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2002-01-16
1
1 page  
Silan
Semiconductors
SC9318-033
(Continued)
Characteristic Symbol
Test Condition
LCD common output/segment output (COM1~COM3, S1~S23)
Output “H” Level
IOH1
VLCD =3V, VOH=2.7V
Current “L” Level
IOL1
VLCD =3V, VOH =0.3V
Output Voltage 1/2
Level
VBS No load
HOLD input port
In put Leak Current
ILI VIH=3.0V, VIL=0V
Input
“H” Level
VIH1
--
Voltage “L” Level
VIL1
--
A/D (N) converter (A/DIN2, DC-REF)
Analog Input
Voltage Range
VAD
ADIN1, ADIN2
Analog Reference
Voltage Range
VREF DC-REF, VDD =2.0~3.6V
Resolution
VRES --
Conversion Total
Error
-- VDD =2.0~3.6V
Analog Input Leak
VIH=3.0V, VIL=0V
ILI
(ADIN1, ADIN2, DC-REF)
KEY input port (K0~K3)
N-ch/P-ch Input
Resistance
RIN1
--
Input
“H” Level
VIH2 When input with pull-down resistance
Voltage “L” Level
VIL2 When input with pull-down resistance
Input
“H” Level
VIH3
When input with pull-up resistance
Voltage “L” Level
VIL3 When input with pull-up resistance
Input Leak Current
When input resistance off,
ILI
VIH=3.0V, VIL=0V
Timing output port (T0~T5)
Output “H” Level
IOH1
VOH =2.7V
Current “L” Level
IOL1
VOL=0.3V,Use LCD key-return mode
N-ch Load
Resistance
ITL No used LCD key-return mode
MIN TYP MAX Unit
-0.5 -1.0
--
mA
0.5 1.0
--
1.3 1.5 1.7
V
-- -- ±1.0 µA
2.4 ~ 3.0
V
0 ~ 1.2
0
~
VDD
V
VDD
1.0 ~
V
×0.9
-- 6.0 -- bit
-- ±1.0 ±4.0 LSB
-- -- ±1.0 µA
75 150 300 kΩ
1.8 ~ 3.0
V
0 ~ 0.3
2.7 ~ 3.0
V
0 ~ 1.2
-- -- ±1.0 µA
-0.5 -1.0
--
mA
0.5 1.0
--
75 150 300 kΩ
(To be continued)
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2002-01-16
5
5 Page 
Silan
Semiconductors
SC9318-033
(Continued)
Pin
Symbol
No.
Pin Name
56 VDD
Power-supply
pins
53 GND
Internal
Connection
VDD
GND
Description
Pins to which power is applied.
Normally, VDD=1.8~3.6V (3.0V Typ.) is applied.
In back-up mode (when CKSTP instructions
are being executed), voltage can be lowered to
1.0V. If voltage falls below 1.5V while the CPU
is operating, the CPU stops to prevent
malfunction (STOP mode). When the voltage
rises above 1.5V, the CPU restarts.
STOP mode can be detected by checking the
STOP F/F bit. If necessary, execute
initialization or adjust clock by program.
When detecting or preventing CPU
malfunctions using an external circuit, STOP
mode can be invalidated and rendered non-
operative by program. In that case, all four bits
of the internal TEST port should be set to “1”.
If more than 1.8V is applied when the pin
voltage is 0, the device’s system is reset and
the program starts from address “0”. (power on
reset).(Note)
To operate the power on reset, the power
supply should start up in 10~100ms.
Programmable counter input pin for FM,VHF
RfIN2
band.
The 1/2+pulse swallow system (VHF mode)
and the pulse swallow system (FM mode) are
FM selectable freely by program. At the VHF mode,
programmabl
54 FMIN
e counter
local oscillation output (VCO output) of
50~230MHz (0.2VP-P(Min)) is input and FM
input
mode, 40~130MHz (0.2VP-P (Min)) is input. A
built-in input amp and C coupling allow
operation at low-level input. (Note) when in the
PLL OFF mode or when set to AMIN input, the
input is pulled down.
(To be continued)
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2002-01-16
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SC9318-033.PDF ] | |
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