參數(shù)資料
型號(hào): P87LPC769
廠商: NXP Semiconductors N.V.
英文描述: Low power, low price, low pin count 20 pin microcontroller with 4 kB OTP 8-bit A/D, and DAC
中文描述: 低功耗,低價(jià)格,低引腳數(shù)20 4 KB的檢察官辦公室8引腳微控制器位A / D,和DAC
文件頁(yè)數(shù): 57/61頁(yè)
文件大小: 306K
代理商: P87LPC769
Philips Semiconductors
Preliminary specification
87LPC769
Low power, low price, low pin count (20 pin)
microcontroller with 4 kB OTP 8-bit A/D, and DAC
2001 Jan 11
54
AC ELECTRICAL CHARACTERISTICS
T
amb
= –40
°
C to +125
°
C, V
DD
= 2.7 V to 6.0 V unless otherwise specified, V
SS
= 0 V
1, 2, 3
SYMBOL
FIGURE
PARAMETER
LIMITS
UNIT
MIN
MAX
External Clock
f
C
f
C
t
C
43
Oscillator frequency (V
DD
= 4.0 V to 6.0 V)
Oscillator frequency (V
DD
= 2.7 V to 6.0 V)
Clock period and CPU timing cycle
Clock high-time
4
0
20
MHz
43
0
10
MHz
43
1/f
C
20
ns
t
CHCX
43
f
OSC
= 20 MHz
f
OSC
= 10 MHz
f
OSC
= 20 MHz
f
OSC
= 10 MHz
ns
43
40
ns
t
CLCX
43
Clock low-time
4
20
ns
43
40
ns
Shift Register
t
XLXL
t
QVXH
t
XHQX
t
XHDV
t
XHDX
42
Serial port clock cycle time
6t
C
ns
42
Output data setup to clock rising edge
5t
C
– 133
1t
C
– 80
ns
42
Output data hold after clock rising edge
ns
42
Input data setup to clock rising edge
5t
C
– 133
ns
42
Input data hold after clock rising edge
0
ns
NOTES:
1. Parameters are valid over operating temperature range unless otherwise specified.
2. Load capacitance for all outputs = 80 pF.
3. Parts are guaranteed to operate down to 0 Hz.
4. Applies only to an external clock source, not when a crystal is connected to the X1 and X2 pins.
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