參數(shù)資料
型號(hào)： 935265527518
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PQFP64
封裝： PLASTIC, QFP-64
文件頁(yè)數(shù)： 17/55頁(yè)
文件大?。?/td> 387K
代理商： 935265527518
1999 May 10
24
Philips Semiconductors
Preliminary specication
Universal Serial Bus (USB) CODEC
UDA1325
MEMORY AND REGISTER SPACE 80C51
Overview registers
Table 15 Register location and recommended values
after Power-on reset
Table 16 Special function register location
ADDRESS
REGISTER
RESET
VALUE
0800h
PGA gain
09
0801h
ADIF control
5C
1000h
clock shop settings
00
1001h
reset control and APLL settings
00
1002h
IO selection register
01
1003h
power control
00
2000h
ASR settings
8B
4000h
data register PSIE
4001h
command register PSIE
ADDRESS
REGISTER
RESET
VALUE
CPU registers
81h
SP
82h
DPL
83h
DPH
D0h
PSW
E0h
ACC
F0h
B
Interrupt registers
A8h
IE
00h
B8h
IP
00h
Timer 0 and Timer 1 registers
88h
T01CON
00h
89h
T01MOD
00h
8Ah
T0L
00h
8Bh
T1L
00h
8Ch
T0h
00h
8Dh
T1h
00h
PCON registers
87h
PCON
00h
Interrupts
The UDA1325 supports up to five (of maximal 7) interrupt
sources. Each interrupt source corresponds to an interrupt
vector in the CPU program memory address space:
Source 0: vector 0003h external interrupt 0 (INT0_N)
Source 1: vector 000Bh Timer 0 interrupt
Source 2: vector 0013h external interrupt 1 (INT1_N)
Source 3: vector 001Bh Timer 1 interrupt
Source 4: vector 0023h UART interrupt (not present)
Source 5: vector 002Bh Timer 2 interrupt (not present)
Source 6: vector 0033h I2C interrupt.
INTERRUPT ENABLE REGISTER (IE)
Each interrupt source can be individually enabled or
disabled by setting or clearing a bit in IE. This register also
contains a global interrupt enable bit (EA) which can be
cleared to disable all interrupts at once.
Port registers
80h
P0
FFh
90h
P1
FFh
A0h
P2
FFh
B0h
P3
FFh
I2C registers (SIO1 registers)
D8h
S1CON
00h
D9h
S1STA
DAh
S1DAT
DBh
S1ADR
ADDRESS
REGISTER
RESET
VALUE
0
EX0 (vector 0003h))
ET0 (vector 000Bh))
EX1 (vector 0013h)
ET1 (vector 001Bh)
ES0 (n.a.)
ET2 (n.a.)
ES1 (vector 0033h)
EA
76543210
Power On Value
相關(guān)PDF資料
PDF描述
935263513518 SPECIALTY MICROPROCESSOR CIRCUIT, PQFP64
08-50-0415 Crimp Pin Contact; Contact Material:Brass; Contact Plating:Tin
08-56-0401 KK .044 Sq Pin 0.750 20 Gold
08-50-0410 8500410
08-56-0406 8560406
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