Rainbow Electronics W90N745CDG User Manual
Page 51
W90N745CD/W90N745CDG
- 46 -
Clock Select Register (CLKSEL)
REGISTER ADDRESS
R/W
DESCRIPTION
RESET
VALUE
CLKSEL
0xFFF0_000C R/W Clock Select Register
0x1FFF_7FX8
31
30
29
28
27
26
25
24
RESERVED PS2
KPI RESERVED SSP
23
22
21
20
19
18
17
16
UART3 UART2 UART1 I
2
C1 I
2
C0
RESERVED
PWM AC97
15
14
13
12
11
10
9
8
USBCKS USBD GDMA
RESERVED
EMC RESERVED WDT
7
6
5
4
3
2
1
0
USBH TIMER UART ECLKS
CLKS
RESET
BITS
DESCRIPTION
[31:29] RESERVED
-
[28] PS2
PS2 controller clock enable bit
0 = Disable PS2 controller clock
1 = Enable PS2 controller clock
[27] KPI
Keypad controller clock enable bit
0 = Disable keypad controller clock
1 = Enable keypad controller clock
[26] RESERVED
-
[25] RESERVED
-
[24] USI
USI controller clock enable bit
0 = Disable USI controller clock
1 = Enable USI controller clock
[23] UART3
UART3 controller clock enable bit
0 = Disable UART3 controller clock
1 = Enable UART3 controller clock
[22] UART2
UART2 controller clock enable bit
0 = Disable UART2 controller clock
1 = Enable UART2 controller clock
[21]
UART1
UART1 controller clock enable bit
0 = Disable UART1 controller clock
1 = Enable UART1 controller clock