參數(shù)資料
型號: UDA1325
廠商: NXP Semiconductors N.V.
元件分類: Codec
英文描述: Universal Serial Bus USB CODEC
中文描述: 通用串行總線解碼器
文件頁數(shù): 23/52頁
文件大?。?/td> 310K
代理商: UDA1325
1999 May 10
23
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) CODEC
UDA1325
PORT DEFINITION 80C51
Port 1
Table 13
Port 1 of the 80C51 microcontroller
Port 3
Table 14
Port 3 of the 80C51 microcontroller
8 BIT PORT 1
BIT
FUNCTION
LOW
HIGH
COMMENT
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
ADAC_error
GP1
GP2
GP3
GP4
GP5
SCL
SDA
no error
error
general purpose pins
I
2
C-bus
8 BIT PORT 3
BIT
FUNCTION
LOW
HIGH
COMMENT
3.0
3.1
ASR_error
PSIE_MMU_SUSPEND
no error
no suspend
error
suspend
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
3.2
3.3
GP0 (INT0_N)
PSIE_MMU_INT (INT1_N)
3.4
3.5
3.6
3.7
PSIE_MMU_READY
L3_MODE
L3_CLK
L3_DATA
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