Toshiba TLCS-900/H1 Series Data Book page 66

32bit micro controller

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3.5.2 Port 2 (P20 to P27)

Port2 is an 8-bit general-purpose I/O port. Bits can be individually set as either inputs or outputs by control

In addition to functioning as a general-purpose I/O port, port2 can also function either as a data bus

(D16 to D23) or key-board interface pin KO0 to KO7 which can set to open drain output buffer.

External write strobe

External write data

Port read data

External read data

External read strobe

P2CR register

P2FC register

Table 3.5.4 Port2 Registers

Function Setting after reset is released

Don't use this setting

Data Bus (D16 to D23)

Figure 3.5.2 Port2

Input/Output

0:PORT 1:Data Bus(D16 to D23)

0:CMOS output, 1:Open drain output

Output/Input buffer drive-register for standby-mode

P2FC2 register

(D16 to D23,