Industrial Grade Voice SoC Flash MCU -- HT66FV130

Industrial Grade Voice SoC Flash MCU
HT66FV130
Analog Alarm Clock
Voice / Music Play
Characteristics
 Standby current : 4A at 3V
 HIRC oscillator
 Internal 16-bit DAC and class AB power amplifier
 Digital volume control
 External SPI Flash Memory
SPI Flash
(128M bits)
HT66FV130
Operation Method
Snooze / LED
Set Time / Alarm Time
Alarm Switch
Play / Stop
Mode
Ring Switch / Volume
Adjustment
Block Diagram
Application Circuit
Connector
Power Circuit SPI Flash J1
J2
AVDD
AVDD
1
2
VDD
R1 10R
U2
8
7
3
4
POWER
C1
C2
100uF/16V 470uF/16V
Alarm_Signal
Alarm_Signal_G
Snooze_G
Snooze
Alarm
ON
OFF
R8 10K
C3
10uF/16V
C4
104
VCC
CS
HOLD SCKA
WP
SDIA
GND SDOA
1
6
2
5
SCS
SCK
SDI
SDO
R3
10K
SW1
MX25L128
J3
1
2
3
4
5
6
7
8
9
VOL_G
VOL+
VOLCOM
Type3
Type2
Type1
Listen
Listen_G
AVDD
Connector U1
SW2
J4
1
2
SP+
SP- AVDD
SPEAKER
R6
1K
LED
Listen
Type1
Type2
Type3
SDO
SCK
SDI
SCS
COM
VOLVOL+
1
2
3
4
5
6
7
8
9
10
11
12
PA1
PC0
PC1
PC2
PC4
PC5
PC6
PC7
PB0
PA2
PA0
PB1
PA6
PA7
VSS
VDD
BIAS
AUD
AUD_IN
SP+
AVDD_PA
AVSS_PA
SPPB2
24
23
22
21
20
19
18
17
16
15
14
13
Alarm_Signal
Snooze
GND
VDD
R5
SP+
AVDD
R2
47K
AVDD
R4
5.1M
2.7K
C7
1
2
3
4
5
6
7
1uF
SPAlarm
C8
1nF
C9
10uF
R7
0R
Alarm_Signal
Alarm
C6
0.1uF
C5
0.1uF
HT66FV130_24_SOP-A
HT66FV130
Speaker Note : 1. AA 1.5V battery × 3 required. One is for the Quartz oscillator, the other two are for the
other circuits.
2. J1 - Battery, J2 - Quartz, snooze and alarm swtich. J3 – Mode, volume adjustment and
play/stop. J4 - Speaker.