LPC408X-7X Datasheet, PDF (92/123 Pages) NXP Semiconductors – 32-bit ARM Cortex-M4 MCU;

NXP Semiconductors
LPC408x/7x
32-bit ARM Cortex-M4 microcontroller
11.8 I²S-bus interface
Table 24. Dynamic characteristics: I²S-bus interface pins
C_L = 10 pF, T_amb = 40 C to 85 C, V_DD(3V3) = 3.0 V to 3.6 V. Values guaranteed by design.
Symbol Parameter
Conditions
Min Max Unit
common to input and output
t_r
rise time
t_f
fall time
t_WH
pulse width HIGH
[1] _-
6.7 ns
[1] _-
8.0 ns
on pins I2S_TX_SCK and ^[1] 25
-
-
I2S_RX_SCK
t_WL
pulse width LOW
on pins I2S_TX_SCK and ^[1] -
I2S_RX_SCK
25
ns
output
t_v(Q)
data output valid time
on pin I2S_TX_SDA;
[1] _-
6
ns
input
t_su(D)
data input set-up time
on pin I2S_RX_SDA
[1] ₅
-
ns
t_h(D)
data input hold time
on pin I2S_RX_SDA
[1] ₂
-
ns
[1] CCLK = 100 MHz; peripheral clock to the I²S-bus interface PCLK = CCLK / 4. I²S clock cycle time T_cy(clk) =
1600 ns, corresponds to the SCK signal in the I²S-bus specification.
I2S_TX_SCK
I2S_TX_SDA
T_cy(clk)
t_WH
t_WL
t_v(Q)
I2S_TX_WS
t_v(Q)
Fig 25. I²S-bus timing (transmit)
t_f
t_r
002aag202
LPC408X_7X
Objective data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 17 September 2012
© NXP B.V. 2012. All rights reserved.
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