Users Manual

Table Of Contents
R01UH0823EJ0110 Rev.1.10 Page 1810 of 1852
Nov 30, 2020
RX23W Group 51. Electrical Characteristics
51.3.5.8 Timing of SSI
Figure 51.53 SSI Clock Input/Output Timing
Figure 51.54 SSI Transmission/Reception Timing (SSICR.SCKP = 0)
Table 51.41 Timing of SSI
Conditions: 1.8 V VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
fPCLKB 32 MHz, T
a
= –40 to +85°C
Item Symbol Min. Max. Unit
Test
Conditions
SSI AUDIO_MCLK input
frequency
2.7 V or above t
AUDIO
125MHz
1.8 V or above 1 4
Output clock cycle t
O
250 ns Figure 51.53
Input clock cycle t
I
250 ns
Clock high level t
HC
0.4 0.6 to, ti
Clock low level t
LC
0.4 0.6 to, ti
Clock rise time t
RC
—20ns
Data delay time 2.7 V or above t
DTR
65 ns Figure 51.54
Figure 51.55
1.8 V or above 105
Setup time 2.7 V or above t
SR
65 ns
1.8 V or above 90
Hold time t
HTR
40 ns
WS changing edge SSIDATA output delay t
DTRW
105 ns Figure 51.56
SSISCKn
t
HC
t
LC
t
RC
t
I
, t
O
t
SR
t
HTR
t
DTR
SSISCKn
(input or output )
SSIWSn, SSIDATAn ,
SSIRXDn (input)
SSIWSn, SSIDATAn ,
SSITXDn (output )