TMP91xy40FG Toshiba, TMP91xy40FG Datasheet - Page 79

• Manufacturer Part Number: TMP91xy40FG
• Manufacturer: Toshiba

Specifications of TMP91xy40FG

• Package: LQFP100
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M/F
• Rom Combinations: 128
• Ram Combinations: 4
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 4
• I2c/sio Bus Channels: -
• (s)dram Controller: -
• Adc 10-bit Channel: 4
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 3
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: -
• Dual Clock: Y
• Number Of I/o Ports: 61
• Power Supply Voltage(v): 2.2 to 3.6

Programming sequences (Be sure to follow these sequences.)
•
•
•
LD
LD
LD
LD
LD
LD
LDW
LD
LD
LD
LD
LDW
LD
LD
Setting the timer mode with the system clock fc and the counter source clock fc/2
Changing the source clock and the timer register contents (after the timer is started)
Changing the source clock to fs/2
(TC1CR1),88H
(TREG1A),0080H
(TC1CR1),8CH
(TC1CR1),0CCH
(TC1CR1),8CH
(TC1CR2),00H
(TC1CR1),8CH
(TC1CR2),01H
(TC1CR1),0CCH
(TREG1A),0100H
(TC1CR2),00H
(TC1CR1),80H
(TC1CR1),88H
(TC1CR1),0C8H
: Set the <TC1SEL> bit. (<TC1SEL> = 0)
: Select the timer mode.
: Set the timer register. (TREG1AH=01H, TREG1AL=00H)
: Set the source clock to fc/2
: Start the timer.
: Stop the timer & clear the counter.
: Set the timer register. (TREG1AH=00H, TREG1AL=80H)
: Change the source clock from fc/2
: Start the timer.
: Stop the timer & clear the counter.
: Set <TC1SEL>=0 to select fc (in NORMAL mode only) once.
: Change the source clock to fs/2
: Set <TC1SEL>=1 to select fs.
: Start the timer.
Note: In NORMAL mode, do not change the TC1CR1/TREG1A with fs selected.
91CW40-77
3
(after the timer is started)
3
.
15
.
3
to fc/2
7
.
TMP91CW40
2008-09-19
3