Daewoo AKF-8846, Руководство по обслуживанию

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9
5-2. P O RT DESCRIPTION
PIN ASSIGN NAME I/O
25 P_XIN XIN I
24 P_XOUT XOUT O
1 3 P_PUMP E0 O
26 P_GND GND
58 P_GND GND
1 4 P_VDD VDD1
1 8 P_VDD VDD2
1 6 P_FMVCO VCOH I
1 5 P_AMVCO VCOL I
12 P_FMIF P1B3/FMIFC I
13 P_AMIF P1B2/AMIFC I
1 7 P_ACC CE I
29 P_IFREQ P0C1/PWM1 O
17 P_PMUTE P0B2/FCG0 O
18 P_AMUTE P0B1/BEEP1 O
19 P_BEEP P0B0/BEEP0 O
22 P_BAND1 P1C1 O
23 P_BAND2 P1C0 O
31 P_ST P1D3 I
32 P_SD P1D2 I
14 P_M P1V1/ADC1 I
28 P_LO/DX P0C2 O
16 P_POWER P0B3/FCG1 O
21 P_MTL P1C2 O
27 N•C P0C2 O
D E S C R I P T I O N
4.5 MHz CRYSTAL IN/OUT PORT.
PHASE COMPARATOR OUTPLIT PORT.
GND & VDD (+5V)
FM OSC INPUT PORT. RANGE: 0.07~1.5Vrms
AM OSC INPUT PORT. RANGE: 0.07~1.5Vrms
FM IF COUNT INPUT PORT.
RANGE: 10.7MHz±30KHz, Vpp=0.07~1.5Vrms
AM IF COUNT INPUT PORT
RANGE: ( M W ) 4 5 0 K H z ± 1 K H z ( A M )
(LW)450KHz±0.37KHz, Vpp=0.07~1.5Vrms
BACK UP MODE CONTROL PORT.
HIGH INPUT: OPERATION
LOW INPUT: BACK-UP MODE
IF REQUEST PORT.
POWER MUTE PORT, ACTIVE HIGH
AUDIO MUTE PORT, ACTIVE HIGH
BEEP OUTPUT PORT. (FREQUENCY: 2.08KHz)
BAND SELECT PORT.
R E S E T F M M W L W
BAND1: 0 1 0 0
B A N D 2 : 0 0 0 1
FM STEREO INPUT PORT.
INITIAL: HIGH, STEREO ON: LOW
SIGNAL DETECTION PORT.
INITIAL: LOW ACTIVE: HIGH
SIGNAL METER INPUT PORT.
LOCAL MODE - HIGH, DX MODE - LOW
INITIAL: LOW
POWER CONTROL PORT.
POWER OFF - LOW, POWER ON - HIGH
METAL ON/OFF CONTROL PORT
INITIAL: LOW, ACTIVE: HIGH
NO CONNECTION