HD6432646 Hitachi, HD6432646 Datasheet - Page 670

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Bit 3:
SGS3
0
1
Note: When using external expansion, set a value of 0000 for SGS3 to SGS0. When the setting of
636
H8S/2648, H8S/2648R, H8S/2647
Bit 2:
SGS2
0
1
*
SGS3 to SGS0 is 0000, COM4 to COM1 also function as ports.
Bit 1:
SGS1
0
1
0
1
*
Bit 0:
SGS0
0
1
0
1
0
1
0
1
0
1
SEG40
to
SEG33
Port
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG32
to
SEG29
Port
Port
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG
SEG28
to
SEG25
Port
Port
Port
SEG
SEG
SEG
SEG
SEG
SEG
SEG
Function of Pins SEG40 to SEG1
SEG24
to
SEG21
Port
Port
Port
Port
SEG
SEG
SEG
SEG
SEG
SEG
SEG20
to
SEG17
Port
Port
Port
Port
Port
SEG
SEG
SEG
SEG
SEG
SEG16
to
SEG13
Port
Port
Port
Port
Port
Port
SEG
SEG
SEG
SEG
SEG12
to
SEG9
Port
Port
Port
Port
Port
Port
Port
SEG
SEG
SEG
SEG8
to
SEG5
Port
Port
Port
Port
Port
Port
Port
Port
SEG
SEG
SEG4
to
SEG1 Notes
Port
Port
Port
Port
Port
Port
Port
Port
Port
SEG
Initial value (external
expansion enabled)
External expansion
not possible
*: Don’t care