Module Stop Control Register (Mstpcr) - Hitachi H8S/2199 Hardware Manual

23.2.9

Module Stop Control Register (MSTPCR)

Bit :
7
MSTP15
Initial value :
1
R/W :
R/W
MSTPCR comprises two 8-bit readable/writable registers, and is used to perform module stop
mode control.
When the corresponding bit in MSTPCR is set to 1, operation of the corresponding IIC channel is
halted at the end of the bus cycle, and a transition is made to module stop mode. For details, see
section 4.5, Module Stop Mode.
MSTPCR is initialized to H'FFFF by a reset. It is not initialized in standby mode.
MSTPCRL Bit 7    Module Stop (MSTP7): Specifies the module stop mode for IIC channel 0.
MSTPCRL
Bit 7
MSTP7
0
1
MSTPCRL Bit 6    Module Stop (MSTP6): Specifies the module stop mode for IIC channel 1.
MSTPCRL
Bit 6
MSTP6
0
1
Rev. 1.0, 02/00, page 488 of 1141
MSTPCRH
6 5 4 3
MSTP14 MSTP13 MSTP12 MSTP11
1 1 1 1
R/W R/W R/W R/W
Description
Module stop mode for IIC channel 0 is cleared
Module stop mode for IIC channel 0 is set
Description
Module stop mode for IIC channel 1 is cleared
Module stop mode for IIC channel 1 is set
2 1 0 7
MSTP10 MSTP9 MSTP8 MSTP7
1 1 1 1
R/W R/W R/W R/W
MSTPCRL
6 5 4 3
MSTP6 MSTP5 MSTP4 MSTP3 MSTP2
1 1 1 1
R/W R/W R/W R/W R/W
2 1 0
MSTP1 MSTP0
1 1 1
R/W R/W
(Initial value)
(Initial value)