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參數(shù)資料
| 型號(hào)： | TC93P27F |
| 廠商： | Toshiba Corporation |
| 英文描述： | TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic |
| 中文描述： | 東芝的CMOS數(shù)字集成電路硅單片 |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大?。?/td> | 206K |
| 代理商： | TC93P27F |
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TC93P27F
2002-11-18
9
Pin No.
Symbol
Pin Name
Function and Operation
Remarks
70
FM
IN
FM local oscillator
signal input
Using programmable counter input pins for FM,
VHF band.
The 1/2 pulse swallow system (VHF mode) and
the pulse swallow system (FM mode) are freely
selectable by program.
At the VHF mode, local oscillation output (VCO
output) of 50 to 230 MHz [0.3 Vp-p (min)] is input,
and at the FM mode, that of 40 to 130 MHz
[0.2 Vp-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
AM
IN
input, the input is pulled down.
71
AM
IN
AM local oscillator
signal input
Programmable counter input pin for AM band.
The pulse swallow system (HF mode) and direct
dividing system (LF mode) are freely selectable by
program. At the HF mode, local oscillation output
(VCO output) of 1 to 45 MHz [0.2 Vp-p (min)] is
input, and at the LF mode, 0.9 to 10 MHz [0.2 Vp-p
(min)] is input.
Built-in input amp. operates with low-level input
using a C coupling.
Note: When in PLL OFF mode or when set to
FM
IN
input, the input is pulled down.
73
RESET
/V
PP
Reset input/Program
voltage supply
Input pin for system reset signals.
RESET
takes place while at low level; at high
level, the program starts from address “0”.
Normally, if more than 1.8 V is supplied to V
DD
when the voltage is 0, the system is reset (power on
reset).
Accordingly, this pin should be set to high level
during operation.
This pin is used as program voltage supply for One
Time PROM. In case of writing program into the
internal PROM, 12.5 V is supplied to this pin.
74
X
OUT
75
X
IN
76
V
XT
Crystal oscillator pin
Crystal oscillator pins.
A reference 75-kHz crystal resonator is connected
to the X
IN
and X
OUT
pins.
The oscillator stops oscillating during CKSTP
instruction execution.
The V
XT
pin is the power supply for the crystal
oscillator. A stabilizing capacitor (0.47 F typ.) is
connected.
R
fIN1
R
fIN1
R
fXT
V
XT
V
IN
R
OUT
X
OUT
V
PP
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