LPC2104 Datasheet, PDF (34/41 Pages) NXP Semiconductors – Single-chip 32-bit microcontrollers; 128 kB ISP/IAP Flash with 64 kB/32 kB/16 kB RAM

NXP Semiconductors
LPC2104/2105/2106
Single-chip 32-bit microcontrollers
9. Dynamic characteristics
Table 11. Dynamic characteristics
T_amb = 0 °C to +70 °C for commercial applications, −40 °C to +85 °C for industrial applications; V_DD(1V8), V_DD(3V3) over
specified ranges.^[1]
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
External clock
f_osc
oscillator frequency supplied by an external
1
-
25
MHz
oscillator (signal generator)
external clock frequency
1
supplied by an external
crystal oscillator
-
25
MHz
external clock frequency if
10
on-chip PLL is used
-
25
MHz
external clock frequency if
10
on-chip bootloader is used
for initial code download
-
25
MHz
T_cy(clk)
clock cycle time
t_CHCX
clock HIGH time
t_CLCX
clock LOW time
t_CLCH
clock rise time
t_CHCL
clock fall time
Port pins (except P0.2 and P0.3)
20
-
T_cy(clk) × 0.4 -
T_cy(clk) × 0.4 -
-
-
-
-
1000
ns
-
ns
-
ns
5
ns
5
ns
t_r
rise time
t_f
fall time
I²C-bus pins (P0.2 and P0.3)
-
10
-
ns
-
10
-
ns
t_f
fall time
V_IH to V_IL
[2] _{20 + 0.1 × Cb -}
-
ns
[1] Parameters are valid over operating temperature range unless otherwise specified.
[2] Bus capacitance C_b in pF, from 10 pF to 400 pF.
LPC2104_2105_2106_7
Product data sheet
Rev. 07 — 20 June 2008
© NXP B.V. 2008. All rights reserved.
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