參數(shù)資料
型號(hào): P80C557E6EFB
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: Single-chip 8-bit microcontroller
中文描述: 8-BIT, 16 MHz, MICROCONTROLLER, PQFP80
封裝: 14 X 20 X 2.70 MM, PLASTIC, QFP-80
文件頁數(shù): 69/72頁
文件大?。?/td> 374K
代理商: P80C557E6EFB
Philips Semiconductors
Product specification
P83C557E4/P80C557E4/P89C557E4
Single-chip 8-bit microcontroller
1999 Mar 02
69
Figure 63. Timing SIO1 (I
2
C) Interface
t
RD
t
SU;STA
t
BUF
t
SU; STO
0.3 V
DD
0.7 V
DD
0.3 V
DD
t
FD
t
RC
t
FC
t
HIGH
t
LOW
t
HD;STA
t
SU;DAT1
t
HD;DAT
t
SU;DAT2
t
SU;DAT3
START condition
repeated START condition
SDA
(INPUT/OUTPUT)
SCL
(INPUT/OUTPUT)
STOP condition
START or repeated START condition
0.7 V
DD
t
SP
Figure 64. UART waveforms in Shift Register Mode
0
1
2
3
4
5
6
7
8
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
CLEAR RI
VALID
VALID
VALID
VALID
VALID
VALID
VALID
VALID
SET TI
SET RI
t
XLXL
t
QVXH
t
XHQX
t
XHDX
t
XHDV
0
1
2
3
4
5
6
7
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