uda1321 NXP Semiconductors, uda1321 Datasheet - Page 21

• Manufacturer Part Number: uda1321
• Description: Universal Serial Bus Usb Digital-to-analog Converter Dac
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1998 Oct 06
(HEX)
BYTE
Universal Serial Bus (USB)
Digital-to-Analog Converter (DAC)
10
A
B
C
D
E
4
5
6
7
8
9
F
ADAC mode register 1
I/O selection register
REGISTER
NAME
4/6 pins I
general purpose pins (GP0 to GP5)”)
GP4 Usage if HID selected
reserved
selection ADAC mode register
digital PLL lock speed
digital PLL lock mode
digital PLL mode
serial I
clipping
I
GP4
GP3
GP2
GP1
GP0
GP0 Usage Page if HID selected
GP0 Usage if HID selected
reserved
reserved
GP3 Usage Page if HID selected
GP3 Usage if HID selected
reserved
reserved
GP4 Usage Page if HID selected
2
S-bus usage
2
S-bus input format
2
S-bus (see Section “The
COMMENTS
21
6 and 5
3 and 2
1 and 0
BIT
7
4
7
6
5
4
3
2
1
0
1
00 = lock after 512 samples
01 = lock after 2048 samples
10 = lock after 4096 samples
11 = lock after 16384 samples
0 = adaptive
1 = fixed
00 = adaptive
01 = fixed state 1
10 = fixed state 2
11 = fixed state 3
00 = I
01 = 16-bit LSB
10 = 18-bit LSB
11 = 20-bit LSB
0 = clipping prevention off
1 = clipping prevention on
0 = no I
1 = I
only if I
0 = 4 pins I
1 = 6 pins I
0 = function 1
1 = function 2
(see Tables 7, 8 and 9)
2
S-bus used
2
S-bus
Preliminary specification
2
2
S-bus is used;
S-bus used
2
2
VALUE
S-bus
S-bus
UDA1321