uda1325 NXP Semiconductors, uda1325 Datasheet - Page 23
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uda1325
Manufacturer Part Number
uda1325
Description
Universal Serial Bus Usb Codec
Manufacturer
NXP Semiconductors
Datasheet
1.UDA1325.pdf
(52 pages)
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Philips Semiconductors
PORT DEFINITION 80C51
Port 1
Table 13 Port 1 of the 80C51 microcontroller
Port 3
Table 14 Port 3 of the 80C51 microcontroller
1999 May 10
Universal Serial Bus (USB) CODEC
BIT
BIT
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
ADAC_error
GP1
GP2
GP3
GP4
GP5
SCL
SDA
ASR_error
PSIE_MMU_SUSPEND
GP0 (INT0_N)
PSIE_MMU_INT (INT1_N)
PSIE_MMU_READY
L3_MODE
L3_CLK
L3_DATA
FUNCTION
FUNCTION
no error
no error
no suspend
LOW
LOW
8 BIT PORT 1
8 BIT PORT 3
23
error
error
suspend
HIGH
HIGH
general purpose pins
I
suspend input from USB interface
during normal operation or input from
restart circuit
general purpose pin
interrupt input from USB interface
during normal operation or input from
restart circuit
2
C-bus
COMMENT
COMMENT
Preliminary specification
UDA1325