TX4939XBG-400 Toshiba, TX4939XBG-400 Datasheet - Page 105

• Manufacturer Part Number: TX4939XBG-400
• Manufacturer: Toshiba

Specifications of TX4939XBG-400

• Cpu Core: TX49/H4 90nm
• Clock Mhz/max Mips: 400/520
• Inst./data Cache: 32KB (4 Way)/32KB (4 Way)
• Tlb: x
• 1cycle Mac: x
• Volts (v): 1.25/2.5/3.3
• Peripherals: DDR, NAND, ATA, ETHERNET, SECURITY, FPU, MMU, SPI, I2S, I2C, PCI, VIDEO, UART, TIMER, RTC
• Companion Chip: TC86C001FG
• Package: PGBA456

CG
5.3.7. MCLKCTL Register
Rev. 3.1 November 1, 2005
Bit Field
31:16
15
14:8
7
6:4
3
2:0
FIELD Definition
FIELD Definition
FIELD Definition
FIELD Definition
MCLKCTL
MCLKCTL
MCLKCTL
MCLKCTL
DEFAULT
DEFAULT
DEFAULT
DEFAULT
R/W
R/W
R/W
R/W
Symbol
N/A
BDE
N/A
CBE
CHB [2:0]
CAE
CHA [2:0]
Description
Reserved
Baud Clock enable (1:Enable, 0:Disable)
Reserved
Channel-B Enable (1:Enable, 0:Disable)
Channel B Frequency select
CHB [2:0] = 3'b000: Select 22.5792 MHz (Fs = 44.1 KHz)
CHB [2:0] = 3'b001: Select 24.576 MHz (Fs = 48.0 KHz)
CHB [2:0] = 3'b010: Select 16.384 MHz (Fs = 32.0 KHz)
CHB [2:0] = 3'b011: Select 12.288 MHz (Fs = 24.0 KHz)
CHB [2:0] = 3'b100: Select 8.192 MHz (Fs = 16.0 KHz)
CHB [2:0] = 3'b101: Select 4.096 MHz (Fs = 8.0 KHz)
CHB [2:0] = 3'b110: Select 45.1584 MHz (Fs = 88.2 KHz)
CHB [2:0] = 3'b111: Select 49.152 MHz (Fs = 96.0 KHz)
Channel-A Enable (1:Enable, 0:Disable)
Channel A Frequency select
CHA [2:0] = 3'b000: Select 22.5792 MHz (Fs = 44.1 KHz)
CHA [2:0] = 3'b001: Select 24.576 MHz (Fs = 48.0 KHz)
CHA [2:0] = 3'b010: Select 16.384 MHz (Fs = 32.0 KHz)
CHA [2:0] = 3'b011: Select 12.288 MHz (Fs = 24.0 KHz)
CHA [2:0] = 3'b100: Select 8.192 MHz (Fs = 16.0 KHz)
CHA [2:0] = 3'b101: Select 4.096 MHz (Fs = 8.0 KHz)
CHA [2:0] = 3'b110: Select 45.1584 MHz (Fs = 88.2 KHz)
CHA [2:0] = 3'b111: Select 49.152 MHz (Fs = 96.0 KHz)
CBE
R/W
R/W
R/O
R/O
BD
31
23
15
0
0
0
7
0
Figure 5-7 Definition of MCLKCTL Register
R/W
R/O
R/O
R/O
30
22
14
0
0
0
6
0
Table 5-12 Bit Field Definitions
CHB
R/W
R/O
R/O
R/O
29
21
13
0
0
0
5
0
5-11
R/O
R/O
R/O
R/W
20
12
28
0
0
0
4
0
RESERVED
RESERVED
RESERVED
CAE
R/W
R/O
R/O
R/O
27
19
11
0
0
0
3
0
R/O
R/O
R/O
R/W
26
18
10
Toshiba RISC Processor
0
0
0
2
0
CHA
R/W
R/O
R/O
R/O
25
17
0
0
9
0
1
0
R/W
R/O
R/O
R/O
TX4939
24
16
0
0
8
0
0
0
5
5
5
5