P89LPC912FDH NXP Semiconductors, P89LPC912FDH Datasheet - Page 53

• Manufacturer Part Number: P89LPC912FDH
• Description: MCU 8BIT 80C51 1K FLASH, TSSOP14
• Manufacturer: NXP Semiconductors

Specifications of P89LPC912FDH

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 12
• Program Memory Size: 1KB
• Ram Memory Size: 128Byte
• Cpu Speed: 18MHz
• Oscillator Type: External, Internal
• No. Of Timers: 4
• No. Of: RoHS Compliant

NXP Semiconductors
11. Dynamic characteristics
Table 14.
V
T
P89LPC912_913_914_5
Product data sheet
Symbol
f
f
Crystal oscillator (P89LPC912, P89LPC913)
f
T
f
Glitch filter
t
t
External clock (P89LPC912, P89LPC913)
t
t
t
t
Shift register (UART mode 0 - P89LPC913, P89LPC914)
T
t
t
t
t
SPI interface
f
T
osc(RC)
osc(WD)
osc
CLKLP
gr
sa
CHCX
CLCX
CLCH
CHCL
QVXH
XHQX
XHDX
XHDV
SPI
amb
DD
cy(clk)
XLXL
SPICYC
= 2.4 V to 3.6 V, unless otherwise specified.
= 40 C to +85 C for industrial, 40 C to +125 C for extended, unless otherwise specified.
Dynamic characteristics
Parameter
internal RC oscillator frequency
internal watchdog oscillator
frequency
oscillator frequency
clock cycle time
low-power select clock frequency
glitch rejection
signal acceptance
clock HIGH time
clock LOW time
clock rise time
clock fall time
serial port clock cycle time
output data set-up to clock rising
edge
output data hold after clock rising
edge
input data hold after clock rising
edge
input data valid to clock rising
edge
SPI operating frequency
SPI cycle time
2.0 MHz (slave)
3.0 MHz (master)
slave
master
Rev. 05 — 28 September 2007
Conditions
nominal
f = 7.3728 MHz;
trimmed to 1 %
at T
nominal
f = 400 kHz
see
P1.5/RST pin
any pin except
P1.5/RST
P1.5/RST pin
any pin except
P1.5/RST
see
see
see
see
see
see
see
see
see
see
27, 28,
amb
Figure 25
Figure 25
Figure 25
Figure 25
Figure 25
Figure 24
Figure 24
Figure 24
Figure 24
Figure 24
Figure
29
= 25 C
26,
8-bit microcontrollers with two-clock 80C51 core
16T
13T
7.189
6
4
Min
320
125
150
CCLK
CCLK
83
50
33
33
0
0
0
cy(clk)
cy(clk)
-
-
-
-
-
-
-
Variable clock
P89LPC912/913/914
T
T
cy(clk)
T
cy(clk)
cy(clk)
7.557
CCLK
CCLK
Max
520
12
50
15
8
8
8
0
-
-
-
-
-
-
-
-
+ 20
t
t
6
4
CHCX
CLCX
[1]
7.189
1333
1083
f
Min
320
125
150
500
333
osc
50
33
33
0
-
-
-
-
-
-
-
-
-
-
© NXP B.V. 2007. All rights reserved.
= 12 MHz
7.557
Max
520
103
2.0
3.0
50
15
8
8
0
-
-
-
-
-
-
-
-
-
-
-
-
53 of 66
Unit
MHz
kHz
MHz
ns
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
ns
ns