TMP91xy40FG Toshiba, TMP91xy40FG Datasheet - Page 111

• 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

3.10.2
SIO Components
(1) Prescaler
clock generator. The prescaler clock source (φT0) has one-fourth the frequency of the
clock selected by the <PRCK1:0> field in the SYSCR0 located within the clock gear.
as a serial clock. Table 3.10.2 shows prescaler output clock resolutions.
generator.
The SIO0 has a 6-bit prescaler that slows the rate of a clocking source to the serial
The prescaler is only enabled when the baud rate generator output clock is selected
The prescaler can output four types of clock (φT0, φT2, φT8, φT32) to the baud rate
System Clock
<SYSCK>
SYSCR1
Source
Table 3.10.2 Prescaler Output Clock Resolutions
1 (fs)
0 (fc)
1/4
－
91CW40-109
φ T0(1/1)
fs/4
fc/4
Prescaler Output Clock Resolution
φ T2(1/4)
BR0CR<BR0CK1:0>
fs/16
fc/16
φ T8(1/16)
fs/64
fc/64
φ T32(1/64)
fs/256
fc/256
TMP91CW40
2008-09-19