R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 584

• Manufacturer Part Number: R5F61525
• Description: 32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Section 14 Synchronous Serial Communication Unit (SSU)
14.6
14.6.1
The SSU can be enabled/disabled by the module stop control register setting and is disabled by the
initial value. Canceling module stop mode enables to access the SSU registers. For details, see
section 19, Power-Down Modes.
14.6.2
When clearing module stop mode, attention is required to the following.
When using the SSU channel 1 (or 2), module stop mode of the SSU channel 1 (or 2) is not
cleared without clearing both 1 and 2 bits listed below.
1. Module stop bit for channel 1 (or 2): MSTPC9 (or MSTPC10)
2. Module stop bit for channel 0: MSTPC8
When the SSU channel 0 is not used for the SSU function, I/O port pins that are multiplexed with
the SSU channel 0 function can be used as I/O port pins unless module stop mode of SSU channel
0 is cleared and the SSU channel 0 is enabled for transmission and reception.
Rev. 3.00 Mar. 14, 2006 Page 546 of 804
REJ09B0104-0300
Usage Note
Setting of Module Stop Mode
Notes on Clearing Module Stop Mode