參數資料
型號: 935267488112
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PDSO20
封裝: 7.50 MM, PLASTIC, SO-20
文件頁數: 57/69頁
文件大小: 352K
代理商: 935267488112
Philips Semiconductors
Preliminary specification
87LPC768
Low power, low price, low pin count (20 pin) microcontroller with
4 kB OTP 8-bit A/D, Pulse Width Modulator
2000 May 02
58
CLEAR RI
tXLXL
CLOCK
tXHQX
tQVXH
OUTPUT DATA
WRITE TO SBUF
INPUT DATA
tXHDV
tXHDX
SET TI
SET RI
SU01187
7
123
456
0
VALID
Figure 42. Shift Register Mode Timing
SU01188
VDD – 0.5
0.45V
0.2VDD + 0.9
0.2 VDD – 0.1
tCHCL
tCLCH
tCHCX
tCLCX
tC
Figure 43. External Clock Timing
SU01202
100
10
1
10
100
Idd
(uA)
Frequency (kHz)
6.0 V
5.0 V
4.0 V
3.3 V
2.7 V
Figure 44. Typical low frequency oscillator Idd at 25
°C
(See Note 1)
SU01203
1000
100
10
100
10,000
Idd
(uA)
Frequency (kHz)
1,000
6.0 V
5.0 V
2.7 V
6.0 V
5.0 V
4.0 V
3.3 V
2.7 V
Figure 45. Typical medium frequency oscillator Idd at 25
°C
(See Note 1)
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