TMP91xy20AFG Toshiba, TMP91xy20AFG Datasheet - Page 70

• 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

3.5.5
Port 4 (P40 to P47)
output using the control register P4CR and the function register P4FC. In addition to
functioning as a general-purpose I/O port, port 4 can also function as an address bus (A0 to
A7).
to the following function pins.
Port 4 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 4
AM1 AM0 P4xC P4xF
0
0
1
1
Reset
Direction control
Function control
0
1
0
1
(on bit basis)
(on bit basis)
P4FC write
P4CR write
P4 write
Output
latch
1
1
–
0
Figure 3.5.9 Port 4
1
1
–
0
91C820A-68
Internal address bus
Function Setting after Reset is Released
B
A
P4 read
A0 to A7
S
Address bus (A0 to A7)
Address bus (A0 to A7)
Don’t use this setting
Output buffer
Input port
P40 to P47
(A0 to A7)
TMP91C820A
2008-02-20