h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 675

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Bits 3 to 0—Segment Driver Select 3 to 0 (SGS3 to SGS0): Bits 3 to 0 select the segment
drivers to be used.
• H8S/2646, H8S/2646R, H8S/2645
Note: When using external expansion, set a value of 0000 for SGS3 to SGS0. When the setting of
Bit 3
SGS3
0
1
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
*
*
SEG24 to
SEG17
Port
SEG
SEG
SEG
SEG
SEG
Setting
prohibited
Setting
prohibited
SEG16 to
SEG13
Port
Port
SEG
SEG
SEG
SEG
Setting
prohibited
Setting
prohibited
Function of Pins SEG24 to SEG1
SEG12 to
SEG9
Port
Port
Port
SEG
SEG
SEG
Setting
prohibited
Setting
prohibited
Rev. 5.00 Sep 22, 2005 page 649 of 1136
SEG8 to
SEG5
Port
Port
Port
Port
SEG
SEG
Setting
prohibited
Setting
prohibited
Section 18 LCD Controller/Driver
SEG4 to
SEG1
Port
Port
Port
Port
Port
SEG
Setting
prohibited
Setting
prohibited
REJ09B0257-0500
Notes
Initial value (external
expansion enabled)
External expansion
not possible
*: Don’t care