TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 88

• Manufacturer Part Number: TMP91xy20AFG
• Manufacturer: Toshiba

Specifications of TMP91xy20AFG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M
• Rom Combinations: 8
• Ram Combinations: 8
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 1
• I2c/sio Bus Channels: 1
• (s)dram Controller: 1
• Adc 10-bit Channel: 8
• 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: 77
• Power Supply Voltage(v): 3.0 to 3.6

3.5.13
TA0IN
Port B (PB0 to PB6)
output. Resetting sets port B to be an input port.
pin for timers (TA0IN, TA1OUT, TA3OUT, TB0OUT0), input pin for external interruption
(INT0 to INT3), and I/O for serial channels 2 (TXD2, RXD2). Above setting is used the
function register PBFC and PBFC2. Edge select of external interruption establishes it with
IIMC register, which there is in interruption controller.
(1) PB0 (TA0IN, TXD2)
Output latch
Port B is a 6-bit general-purpose I/O port. Each bit can be set individually for input or
In addition to functioning as a general-purpose I/O port, port B can also function as I/O
Reset
PB write
TXD output pins. In case of use TXD2, it is possible to logical invert by setting the
register PB<PB0>.
register PBODE<ODEPB0>.
S
As well as functioning as I/O port pins, port B0 can also function as serial channel
And port B0 has a programmable open-drain function which can be control the
TXD2
Direction control
Function control
(on bits basis)
(on bit basis)
PBCR write
PBFC write
PB read
A
B
Selector
S
Figure 3.5.31 Port B0
91C820A-86
Selector
S
A
B
Open-drain possible:
PBODE<ODEPB0>
PB0 (TA0IN, TXD2)
TMP91C820A
2008-02-20