Datasheet

Section 22 Synchronous Serial Communication Unit (SSU)
REJ09B0465-0300 Rev. 3.00 Page 769 of 982
Sep 17, 2010
H8S/20103, H8S/20203, H8S/20223, H8S/20115, H8S/20215, H8S/20235 Group
22.2 Register Descriptions
The SSU has the following registers.
• IIC2/SSU select register (ICSUSR)
• SS control register H (SSCRH)
• SS control register L (SSCRL)
• SS mode register (SSMR)
• SS mode register 2 (SSMR2)
• SS enable register (SSER)
• SS status register (SSSR)
• SS receive data register (SSRDR)
• SS transmit data register (SSTDR)
• SS shift register (SSTRSR)
22.2.1 IIC2/SSU Select Register (ICSUSR)
Address:
Bit:
Value after reset:
b7
⎯
0
b6
⎯
0
b5
⎯
0
b4
⎯
0
b3
⎯
0
b2
⎯
0
b1
⎯
0
b0
SELICSU
0
H'FF000B
Bit Symbol Bit Name Description R/W
7 to 1 ⎯ Reserved These bits are read as 0. The write value should
be 0.
⎯
0 SELICSU IIC2/SSU module
function select
0: IIC2 function is selected.
1: SSU function is selected.*
R/W
Note: * To select the SSU function, this bit should be set to 1 without fail.