TMP92xy21FG Toshiba, TMP92xy21FG Datasheet - Page 164

• Manufacturer Part Number: TMP92xy21FG
• Manufacturer: Toshiba

Specifications of TMP92xy21FG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): Romless
• Rom Combinations: Romless
• Ram Combinations: 16
• Architecture: 32-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 2
• I2c/sio Bus Channels: -
• (s)dram Controller: 1
• Adc 10-bit Channel: 4
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 1
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 82
• Power Supply Voltage(v): 3.0 to 3.6

(2) Baud rate generator
•
•
clocks that determine the transfer rate of the serial channels.
the 6-bit SIO prescaler, which is shared by the timers. One of these input clocks is
selected using the BR0CR<BR0CK1:0> field in the baud rate generator control
register.
1 or N + (16 − K)/16 or 16 values, thereby determining the transfer rate.
BR0ADD<BR0K3:0>.
(1) When BR0CR<BR0ADDE> = 0
(2) When BR0CR<BR0ADDE> = 1
The baud rate generator is a circuit which generates transmission and receiving
The input clock to the baud rate generator, φT0, φT2, φT8 or φT32, is generated by
The baud rate generator includes a frequency divider, which divides the frequency by
The transfer rate is determined by the settings of BR0CR<BR0ADDE, BR0S3:0> and
In UART mode
In I/O interface mode
BR0CR<BR0ADDE> to 0 before dividing by N.
used is explained below.
Note: If N = 1 or N = 16, the N + (16 − K)/16 division function is disabled. Set
the selected prescaler clock by N, which is set in BR0CK<BR0S3:0>. (N = 1, 2, 3
…16)
divides the selected prescaler clock by N + (16 − K)/16 using the value of N set in
BR0CR<BR0S3:0> (N = 2, 3…15) and the value of K set in BR0ADD<BR0K3:0>
(K = 1, 2, 3…15)
•
•
The N + (16 − K)/16 division function is not available in I/O interface mode. Set
The method for calculating the transfer rate when the baud rate generator is
The settings BR0ADD<BR0K3:0> are ignored. The baud rate generator divides
The N + (16 − K)/16 division function is enabled. The baud rate generator
In UART mode
In I/O interface mode
Baud rate =
Baud rate =
BR0CR<BR0ADDE> to 0.
Frequency divider for baud rate generator
Frequency divider for baud rate generator
92CH21-162
Input clock of baud rate generator
Input clock of baud rate generator
÷ 16
÷ 2
TMP92CH21
2009-06-19