TMP93xy20FG Toshiba, TMP93xy20FG Datasheet - Page 214

• Manufacturer Part Number: TMP93xy20FG
• Manufacturer: Toshiba

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

CHPCR
(0095H)
−V
−V
V
V
LCD3
LCD3
LCD3
LCD3
f
V
F
0
0
LCD3
: Frame frequency
Bit symbol
Read/Write
After reset
Function
: LCD drive voltage
(1) LCD drive
Data 1
Figure 3.14.4 LCD Drive Pulse (Electrical difference between COM and SEG)
1/f
F
(a) 1/4 duty (1/3 bias) drive
The driving method is initialized according to the LCD to be used in the initial
program.
(c) 1/2 duty (1/3 bias) drive
1/f
Data 1
There are four types to drive the LCD, which are selected by the LCDCR<DUTY1:0>.
LCD
display
0:
1:
F
Blanking
Display
enable
EDSP
7
0
Data 0
Figure 3.14.3 LCD Boosting Circuit Control Register
R/W
Boosting
operation
0:
1:
EDCP
Disable
Enable
6
0
LCD Boosting Circuit Control Register
Data 0
5
93CS20-212
4
−V
−V
V
V
LCD3
LCD3
LCD3
LCD3
0
0
Boosting operation enable/disable
LCD display control
3
0
1
0
1
Disable
Enable
Blanking
Display enable
1/f
(b) 1/3 duty (1/3 bias) drive
1/f
Data 1
F
F
Data 1
2
(d) Static drive
1
Data 0
TMP93CS20
0
2004-02-10
Data 0