W925EP01 Datasheet, PDF (35/108 Pages) Winbond – 8-BIT CID MICROCONTROLLER

W925EP01/ W925EP01FG
FSK output level
LO1
LO0
150mV
0
0
125mV
0
1
100mV
1
0
75mV
1
1
FSK TRANSMIT DATA BUFFER
(initial=00H)
Bit:
7
-
6
5
4
3
2
1
0
-
-
-
-
-
- FSKTB.0
Mnemonic: FSKTB
FSKTB.0: Only this bit will be latched and send out as FSK signal
Address: C7h
DIVIDER CONTROL
(initial = 01H)
Bit:
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
DIVA
Mnemonic: DIVC
Address: C8h
DIVA: Divider available control bit. This bit is set or cleared by software to enable/disable divider. DIVA
= 1 to enable the divider. DIVA = 0 to disable the divider. DIVA is reset after reset.
BAUD RATE GENERATOR CONTROL REGISTER
(initial=00000110B)
Bit:
7
-
6
5
4
3
2
1
0
-
-
-
-
RCKEN TCKEN BGEN
Mnemonic: BGCON
Address: CEh
BGEN: BG-Counter control bit. Enable/Disable baud rate generator counter. 0: Disable; 1: Enable.
TCKEN: Select the transmission clock source of serial port0. When TCKEN=1, the clock source come
from the BG-counter; otherwise, the clock source come from Timer0 or Timer1.
RCKEN: Select the receiving clock source of serial port0. When RCKEN=1, the clock source come
from the BG-counter; otherwise, the clock source come from Timer0 or Timer1.
BAUD RATE GENERATOR RELOAD REGISTER
rate of serial port0)
(initial=1AH for 9600 baud
Bit:
7
6
5
4
3
2
1
0
BG.7 BG.6 BG.5 BG.4 BG.3 BG.2 BG.1 BG.0
Mnemonic: BG
Address: CFh
- 35 -
Publication Release Date: Apr. 10, 2006
Revision A2