TM6811
tenx technology
FUNCTION
1. Powerful instruction set (130 instructions).
Binary addition, subtraction, BCD adjust, logical operation in direct and index
addressing mode.
Single-bit manipulation (set, reset, decision for branch).
Various conditional branch.
16 working registers and manipulation.
Look-up table
LCD driver data transfer.
2. Memory capacity.
ROM capacity
RAM capacity
1024
64
x 16 bits.
x 4 bits.
4 Bit Microcontroller
3. Input/output ports.
Port IOC
1 pin (with internal pull-low, low-level-hold).
IOC port had built in the input signal chattering prevention circuitry.
Port IOA
4 pin (input mode only, with low-level-hold)
4. 8 level subroutine nesting.
5. Interrupt function
External factor 1
Internal factors 3
(Pin IOC3).
(Pre-Divider, Timer2 & RFC).
6. Built in Alarm, clock or single tone melody generator(BZB, BZ).
7. Built-in R to F Converter circuit.
CX, RR, RT.
8. One 6-bit programmable timer(timer 2) with programmable clock source.
9. LCD driver output.
9 LCD driver outputs (up to drive 36 LCD segments).
1/4 Duty for LCD display.
1/2 Bias for LCD display.
Single instruction to turn off all segments.
10. Built-in Voltage doubler charge pump circuit.
11. Built-in internal RC oscillator(~128kHz) or External R oscillator , mask option.
12. HALT function.
13. STOP function.
14. Low battery detected function
APPLICATION
Thermometer
1
tenx technology, inc.
Rev1.4 , 08/31/01
TM6811
PIN DESCRIPTION
Name
VDD
VDD1,2
RESET
TESTA
CUP1,2
COM1~4
SEG1-9
IOC3
I/O
P
P
I
O
O
O
I/O
Description
Positive power supply.
Connect a 0.1u capacitor to GND.
LCD supply voltage, and reference power supply voltage.
Both pins have to connect a 0.1uf capacitor to GND.
Input pin for chip reset request signal, with internal pull-down resistor.
Test signal input pin.
Switching pins for supply the LCD driving voltage.
Connect the CUP1 and CUP2 pins with a 0.1uf non-polarized electrolytic capacitor,
Output pins for driving the common pins of the LCD panel.
Output pins for driving the LCD panel segment.
1. Input / Output port C, can use software to define internal pull-low / low-level-hold
Resistor and Chattering clock to reduce input bounce.
2.ROUT in Ext-R option mode , in the mode IOC function no used.
1 input pin and 2 output pins for RFC application.
Output port for alarm, frequency or melody generator
Negative supply voltage.
RIN in Ext-R option.
For testing
Input pin
Input pin
Input pin
Input pin
CX
RR, RT
BZB, BZ
GND
XIN
PH10I
IA1
IA2
IA3
IA4
I
O
O
P
I
I
I
I
I
I
PAD COORDINATE
No
Name
1
RESET
2
GND
3
CX
4
RR
5
RT
6
TESTA
7
BZ
8
BZB
9
COM1
10
COM2
11
COM3
12
COM4
13
SEG1
14
SEG2
15
SEG3
16
SEG4
17
SEG5
PAD DIAGRAM
X
87.5
87.5
87.5
87.5
141.55
329.65
487.65
645.65
802.5
952.5
1102.5
1252.5
1302.5
1302.5
1302.5
1302.5
1302.5
Y
742.55
606.05
419.55
239.45
87.5
87.5
87.5
87.5
87.5
87.5
87.5
87.5
223.35
353.35
468.35
583.35
698.35
No
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Name
SEG8
SEG7
SEG8
SEG9
PH10I
IA1
IA2
IA3
IA4
VDD2
CUP1
CUP2
VDD1
VDD
32
33
XIN
IOC3
X
1302.5
1302.5
1302.5
1302.5
1182.7
1052.7
932.7
812.7
692.7
562.7
322.5
437.5
207.5
87.5
87.5
87.5
Y
813.35
928.35
1043.35
1173.35
1262.5
1262.5
1262.5
1262.5
1262.5
1262.5
1262.5
1262.5
1262.5
1262.5
1058.55
900.55
2
tenx technology, inc.
Rev1.4, 08/31/01
TM6811
VDD1
VDD2
PH10I
CUP2
CUP1
IA4
IA3
IA2
24
IA1
VDD
31
30
29
28
27
26
25
23
22
21
SEG9
XIN
32
20
SEG8
19
IOC3
33
18
RESET
1
17
2
SEG7
SEG6
SEG5
GND
16
SEG4
CX
3
15
SEG3
14
RR
4
13
RT
5
6
7
8
9
10
11
12
SEG2
SEG1
The substrate of chip should be connected to GND.
ABSOLOUTE MAXIMUM RATINGS
at Ta=-20 to 70℃,GND= 0V
Name
Symbol
VDD
Maximum Supply Voltage
VDD1
VDD2
Maximum Input Voltage
Maximum output Voltage
Vin
Vout1
Vout2
Maximum Operating Temperature
Maximum Storage Temperature
Topg
Tstg
Range
-0.3 to 1.8
-0.3 to 1.8
-0.3 to 3.6
-0.3 to VDD+0.3
-0.3 to VDD1+0.3
-0.3 to VDD2+0.3
-20 to +70
-25 to +125
Unit
V
V
V
V
V
V
℃
℃
ALLOWABLE OPERATING CONDITIONS
3
TESTA
BZB
COM1
COM2
COM3
COM4
BZ
tenx technology, inc.
Rev1.4, 08/31/01
TM6811
at Ta=-20 to 70℃,GND= 0V
Name
Symb.
VDD
Supply Voltage
VDD1
VDD2
Operating current
Stand-by current
Voltage detector
Input “H” Voltage
Input “L” Voltage
Oscillator Freq
Iop
Isb
Vbat
Vih1
Vil1
Fopg1
Built-in oscillator
Ag Battery Mode
RFC operating
STOP mode
Condition
Min.
1.2
1.0
2.0
20
-
1.15
VDD-0.7
-0.7
-
Typ.
1.5
1.1
2.2
45
-
1.25
-
-
128
Max.
1.8
1.3
2.6
60
1
1.35
VDD+0.7
0.7
-
V
V
KHZ
Unit
V
V
V
uA
uA
ELECTRICAL CHARACTERISTICS
Input Resistance
Name
“L” Level Hold
Tr.(IOC3)
IOC3 Pull-Down Tr.
RES Pull-Down R
Rmad1
Rres1
Vi=VDD1
Vi=GND or VDD1
200
5
500
20
1000
50
Kohm
Kohm
Symb.
Rllh1
Condition
Vi=0.2VDD1
Min.
10
Typ.
40
Max.
100
Unit
Kohm
DC Output Characteristics
Name
Symb.
Condition
Port
Min.
0.8
Typ.
0.9
Max.
1.0
Unit
V
Voh1c Ioh=-200uA
Output ”H” Voltage
Vol1c
Output ”L” Voltage
Iol=400uA
SEG1~9
0.2
0.3
0.4
V
Segment Driver Output Characteristics
Name
Symb.
Condition
For
Min.
Typ.
Max.
Unit.
1/2 Bias Display Mode
Output ”H” Voltage
Output ”L” Voltage
Output ”H” Voltage
Output ”M” Voltage
Output ”L” Voltage
Voh12f Ioh=-1uA
Vol12f Iol=1uA
Voh12g Ioh=-10uA
Vom12g Iol/h=+/-10uA
Vol12g Iol=10uA
COM-n
COM-n
2.2
1.0
1.4
0.2
SEG-n
2.2
0.2
V
V
V
V
V
Typical Application Circuit
4
tenx technology, inc.
Rev1.4, 08/31/01
TM6811
+
0.1uf
1.5V
VDD
TESTA
RESET
PH10I
(NC)
(NC)
(NC)
(NC)
GND
VDD1
0.1uF
0.1uF
VDD2
XIN
BZ
BZB
C1
COM1
TM6811
CX
R1
RT
COM2
COM3
COM4
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
Buzzer
R2
RR
CUP1
0.1uf
CUP2
IOC3
IOA1
IOA2
IOA3
IOA4
LCD panel
1/2 bias 1/
4duty
Comp.
C1
R1
R2
Value
0.01uF
30K
20K
Remark
thermistor at 37 degree
Note : This application circuit is for internal RC oscillator option.
5
tenx technology, inc.
Rev1.4, 08/31/01
嵌入式系统
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