Cmsemicon CMS80F731 Series, Reference Manual

Page: 202 / 239

www
.mcu.com.cn
203
/
239
Rev.
1.00
CMS80F731x Reference Manual
22.4.4
PCON Registers
0x87 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0
PCON SMOD0 SMOD1 -- -- -- THEIR STOP IDLE
R/W R/W R/W R/W R/W R/W R/W R/W R/W
Reset value 0 0 0 0 0 0 0 0
Registers in BANK0
Bit7 SMOD0: UART0 baud rate multiplier;
1= UART0 baud rate doubled;
0= The UART0 baud rate is normal.
Bit6 SMOD1: UART1 baud rate multiplier;
1= Doubling the UART1 baud rate;
0= The UART1 baud rate is normal.
Bit5~Bit3 -- Reserved, must be 0.
Bit2
THEIR: STOP status function wake-up enable bit;
(The system can be restarted by a power-down reset or an enabled external reset
regardless of the SWE value)
0=
Disables functional wake-up;
1=
Enables function wake-up (wake-up by external interrupts and timed wake-ups).
Bit1 STOP: Sleep state control bit;
1= Enter the hibernation state (exit STOP mode to automatically clear zero);
0= Does not go into hibernation.
Bit0 IDLE: Idle state control bit;
1= Enter the idle state (exit THE IDLE mode to automatically clear the zero);
0= Not idle