Toshiba H1 Series - Manual (Page 171)

TMP92CZ26A
92CZ26A-168
Port U register
7 6 5 4 3 2 1 0
Bit Symbol PU7 PU6 PU5 PU4 PU3 PU2 PU1 PU0
Read/Write R/W
After reset Data from external port (Output latch register is cleared to “0”)
Port U control register
7 6 5 4 3 2 1 0
Bit Symbol PU7C PU6C PU5C PU4C PU3C PU2C PU1C PU0C
Read/Write W
After
reset 0 0 0 0 0 0 0 0
Function 0: Input 1: Output
Port U function register
7 6 5 4 3 2 1 0
Bit Symbol PU7F PU6F PU5F PU4F PU3F PU2F PU1F PU0F
Read/Write W
After
reset 0 0 0 0 0 0 0 0
Function 0: Port
1: LD23
0: Port
1: LD22 0: Port
1:
LD21@
<PU5C>=1
0: Port
1: LD20 0: Port
1: LD19 0: Port
1: LD18 0: Port
1: LD17 0: Port
1: LD16
Note: When PU is used as LD23 to LD16, set applicable PUnC to “1”.
Port U drive register
7 6 5 4 3 2 1 0
Bit Symbol PU7D PU6D PU5D PU4D PU3D PU2D PU1D PU0D
Read/Write R/W
After reset 1 1 1 1 1 1 1 1
Function Input/Output buffer drive register for standby mode
Note1: Read-Modify-Write is prohibited for the registers PUCR, PUFC.
Note2: When use PU as LD23 to LD16, set PUnC to “1”. When use PU5 as LD21, set PU5C to “1”.
Figure 3.7.56 Register for Port U
PU
(00A4H)
PUFC
(00A7H)
PUCR
(00A6H)
PUDR
(009CH)