Toshiba H1 Series Data Book page 639

Bit Symbol
PU
(00A4H)
Read/Write
After reset
Bit Symbol PU7C
PUCR
(00A6H) Read/Write
After reset
Function
Bit Symbol PU7F
PUFC
Read/Write
(00A7H)
After reset
Function
PU7D
Bit Symbol
PUDR
(009CH)
Read/Write
After reset
Function
Note: Although it is possible to write to shaded bits, writing to these bits has no effect (the DSU communication function is
given a higher priority).
Port U Register
7 6 5
PU7 PU6 PU5
External pin data (Output latch is reset to "0".)
Port U Control Register
7 6 5
PU6C PU5C
0 0 0
Port U Function Register
7 6 5
PU6F PU5F
0 0 0
Note: When LD23 to LD16 are used, set <PUnC> to "1".
Port U Drive Register
7 6 5
PU6D PU5D
1 1 1
Input/output buffer drive register for standby mode
92CZ26A-636
4 3
PU4 PU3
R/W
4 3
PU4C PU3C
W
0 0
0: Input 1: Output
4 3
PU4F PU3F
W
0 0
0: Port 1: Data bus for LCDC (LD23 to LD16)
4 3
PU4D PU3D
R/W
1 1
TMP92CZ26A
2 1 0
PU2 PU1 PU0
2 1 0
PU2C PU1C PU0C
0 0 0
2 1 0
PU2F PU1F PU0F
0 0 0
2 1 0
PU2D PU1D PU0D
1 1 1