tmp19a61f10xbg TOSHIBA Semiconductor CORPORATION, tmp19a61f10xbg Datasheet - Page 107

• Manufacturer Part Number: tmp19a61f10xbg
• Description: 32-bit Tx System Risc Tx19 Family
• Manufacturer: TOSHIBA Semiconductor CORPORATION

7.6
The port 4 is a general-purpose, 8-bit input/output port. For this port, inputs and outputs can be specified in
units of bits. Outputs can be set by using the control register P4CR and the function register P4FC1.
Besides the general-purpose input/output port function, the port 4 performs other functions: P40 through P45
output the chip select signal (
clocks.
Port 4 (P40~P47)
P4 read
(Function control)
(
(Output control)
(Output control)
Open drain control
(Output latch)
(Input control)
P4PUP
P4FC1
P4OD
P4CR
P4IE
P4
)
CS to
0
Bus opening
CS ), P46 functions as the SCOUT output pin for outputting internal
CS0~CS5
TMP19A61(rev1.0)7-106
Fig. 7.8 Port 4 (P40~P45)
5
STOP/RESET
Drive disable
1
0
0
1
0
1
Bus opening
0
1
TMP19A61
Port 4
P40~P45
(CS0~CS5)
RESET