TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 66

• 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

3.5.3
Port 2 (P20 to P27)
output using the control register P2CR and the function register P2FC. In addition to
functioning as a general-purpose I/O port, port 2 can also function as an address bus (A16
to A23).
to the following function pins.
Port 2 is an 8-bit general-purpose I/O port. Each bit can be set individually for input or
Setting the AM1 and AM0 pins as shown below and resetting the device initialize port 2
AM1 AM0 P2xC P2xF
0
0
1
1
Reset
Direction control
Function control
0
1
0
1
(on bits basis)
(on bit basis)
P2FC write
P2CR write
P2 write
Output
latch
1
1
–
0
Figure 3.5.5 Port 2
1
1
–
0
91C820A-64
Internal address bus
Function Setting after Reset is Released
B
A
P2 read
A16 to A23
Address bus (A16 to A23)
Address bus (A16 to A23)
S
Don’t use this setting
Output buffer
Input port
(A16 to A23)
P20 to P27
TMP91C820A
2008-02-20