tmpr4937 TOSHIBA Semiconductor CORPORATION, tmpr4937 Datasheet - Page 403

• Manufacturer Part Number: tmpr4937
• Description: 64-bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

13. Parallel I/O Port
13.1 Characteristics
13.2 Block Diagram
SDRAMC
direction and the port type during output (totem pole output/open drain output) can be set for each bit.
The TX4937 on-chip Parallel I/O port (PIO) is a 16-bit general-purpose parallel port. The input/output
IM-Bus
CB[7:0]
PIO
Figure 13.2.1 Parallel I/O Block Diagram
Direction Control Register
Output Data Register
OD Control Register
Input Data Register
ADDR[18] (SEL1)
13-1
Chapter 13 Parallel I/O Port
8
8
8
8
8
CB[7:0]/PIO[15:8]
PIO[7:0]