TMP93xy20FG Toshiba, TMP93xy20FG Datasheet - Page 216
TMP93xy20FG
Manufacturer Part Number
TMP93xy20FG
Description
Manufacturer
Toshiba
Datasheet
1.TMP93XY20FG.pdf
(264 pages)
Specifications of TMP93xy20FG
Package
LQFP144
Rom Types(m=mask,p=otp, F=flash,e=eeprom)
M/P
Rom Combinations
64
Ram Combinations
2
Architecture
16-bit CISC
Usb/spi Channels
-
Uart/sio Channels
2
I2c/sio Bus Channels
1
(s)dram Controller
-
Adc 10-bit Channel
8
Da Converter
-
Timer 8-bit Channel
4
Timer 16-bit Channel
4
Pwm 8-bit Channels
-
Pwm 16-bit Channels
-
Cs/wait Controller
-
Dual Clock
Y
Number Of I/o Ports
88
Power Supply Voltage(v)
4.5 to 5.5
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<SLFR1:0>
(3) LCD drive constant voltage boosting circuit
00
01
10
11
TMP93CS20
flicker on the LCD display when the power supply voltage changes.
times (V
common signals.
frequency is selected by the LCDCR<SLFR1:0> to increase a driving ability of the
segment and common. The reference frequency of the boosting circuit is shown in Table
3.14.2.
The TMP93CS20 includes a LCD drive boosting circuit (V
The boosting circuit increased an input voltage of a reference voltage input pin by 2
An example of the LCD drive boosting circuit is shown in Figure 3.14.5.
The reference frequency of the boosting circuit is fc/2
Figure 3.14.5 An Example of Constant Voltage Boosting Circuit
LCD2
C1
C0
V3
V2
V1
) and 3 times (V
Frequency
fc/2
fc/2
fc/2
fc/2
Table 3.14.3 Boosting Frequency
14
12
11
10
C
or fs/2
or fs/2
or fs/2
or fs/2
C
5
3
2
C
93CS20-214
LCD3
C
), and generates an output voltage for segment and
Reference voltage
Note:
* C = 0.1 to 1.0 µF
(<SBF> = 0)
fc = 20 MHz
19.53 kHz
1.22 kHz
4.88 kHz
9.76 kHz
Do not supply the reference voltage to V1
pin during STOP mode.
14
fs = 32.768 kHz
initially. The reference
LCD1
(<SBF> = 1)
16.38 kHz
1.02 kHz
4.09 kHz
8.19 kHz
× 3) to prevent a
TMP93CS20
2004-02-10
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