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PDF HT99C811 Data sheet ( Hoja de datos )
| Número de pieza | HT99C811 | |
| Descripción | Cordless Phone Controller | |
| Fabricantes | Holtek Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HT99C811 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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HT99C810/HT99C811
Cordless Phone Controller
Features
• Provide mask type or OTP type version
• Operating voltage: 2.4V~5.2V (mask type),
3.0V~5.2V (OTP type)
• 48 bidirectional I/O lines
• One interrupt input
• Two 16-bit programmable timer/event
counter with overflow interrupt
• On-chip crystal and RC oscillator
• Watchdog timer
• 8K × 16 program memory ROM
• 224 × 8 data memory RAM
Applications
• Remote controllers
• Fan/light controllers
• Washing machine controllers
General Description
The HT99C810 is an 8-bit high performance
RISC-like microcontroller which combines
HT48700 8-bit microcontroller and 8-bit D/A
converter in one chip. It is specifically designed
for multiple I/O product applications. It also
provides OTP type version HT99C811 which
supports designers in making fast evaluation of
private products during development stages.
Selection Table
• Halt function and wake-up feature reduce
power consumption
• 63 powerful instructions
• Up to 1µs instruction cycle with 4MHz
system clock at VDD=5V
• All instructions in 1 or 2 machine cycles
• 16-bit table read instructions
• Eight-level subroutine nesting
• Bit manipulation instructions
• Built-in 8-bit D/A converter
• Cordless phone controllers
• Scales
• Toys
The device is particularly suitable for use in
products such as cordless phone controllers, µC
dialers, feature phone controllers, remote con-
trollers, fan/light controllers, washing machine
controllers, scales, toys and various subsystem
controllers. A halt feature is included to reduce
power consumption.
√
√
√
1 15th Apr ’98
1 page  
HT99C810/HT99C811
Pad Coordinates
Pad No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
X
–1559.35
–1561.85
–1561.85
–1561.85
–1561.85
–1526.35
–1526.35
–1526.35
–1526.35
–1561.85
–1561.85
–1561.85
–1561.85
–1561.85
–1561.85
–1606.35
–1606.35
–1657.25
–1504.75
–1581.15
–1405.25
–1217.95
–1042.05
–853.25
–677.35
829.85
1059.15
1247.95
1556.15
1556.15
Y
1421.85
1264.05
1113.35
965.15
814.45
666.15
515.65
367.25
216.75
68.45
–82.25
–230.45
–381.15
–529.35
–680.05
–952.35
–1208.95
–1417.35
–1482.65
–1713.75
–1713.75
–1713.75
–1713.75
–1713.75
–1713.75
–1672.35
–1685.25
–1685.25
–1723.85
–1535.05
Pad No.
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
X
1581.15
1581.75
1607.85
1636.05
1535.85
1535.85
1535.85
1535.85
1660.45
1572.35
1559.05
1559.05
1559.05
1559.05
1559.05
1459.05
1116.25
924.45
738.55
558.25
373.85
193.55
6.95
–168.95
–357.75
–533.65
–849.95
–1127.75
–1459.35
Unit: µm
Y
–1355.65
–1199.65
–912.35
–733.85
–580.95
–430.85
–282.05
–131.95
88.05
528.65
748.15
898.25
1047.05
1197.15
1355.25
1601.45
1701.45
1701.45
1677.55
1677.55
1677.55
1677.55
1701.45
1701.45
1701.45
1701.45
1748.45
1748.45
1643.45
5 15th Apr ’98
5 Page 
HT99C810/HT99C811
D/A Converter Description
The HT99C810/HT99C811 built-in 8-bit D/A converter is one of the simple designed methods of the
D/A converter. The R/2R lattice method is used in HT99C810/HT99C811 which offers 8-bit resolution.
The HT48700 general I/O PORTC is replaced by a D/A converter control register to control the D/A
output value as shown below:
PORTC
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
(MSB)
(LSB)
Determine
D/A Value
1/2
1/4
1/8
1/16
1/32
1/64
1/128 1/256
AVDD AVDD AVDD AVDD AVDD AVDD AVDD AVDD
* D/A converter has isolated power line layout itself, in addition, AVDD and AVSS pads are included.
D/A Converter Circuit
11 15th Apr ’98
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet HT99C811.PDF ] | |
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