R32C117A Datasheet, PDF (103/116 Pages) Renesas Technology Corp – RENESAS MCU

R32C/117A Group
5. Electrical Characteristics
V_CC = 3.3 V
Timing Requirements (V_CC = 3.0 to 3.6 V, V_SS = 0 V, and T_a = T_opr, unless otherwise noted)
Table 5.60 Multi-master I²C-bus Interface
Value
Symbol
Characteristic
Standard-mode
Fast-mode
Unit
Min. Max.
Min.
Max.
t_w(SCLH)
MSCL input high level pulse width 600
600
ns
t_w(SCLL)
MSCL input low level pulse width
600
600
ns
t_r(SCL)
MSCL input rise time
1000
300
ns
t_f(SCL)
MSCL input fall time
300
300
ns
t_r(SDA)
MSDA input rise time
1000
300
ns
t_f(SDA)
MSDA input fall time
300
300
ns
t_h(SDA-SCL)S MSCL high level hold time after start ₍₁₎
condition/restart condition
2 × t_c(φIIC) + 40
ns
t_su(SCL-SDA)P MSCL high level setup time for
(1)
restart condition/stop condition
2 × t_c(φIIC) + 40
ns
t_w(SDAH)P
MSDA high level pulse width after
(1)
stop condition
4 × t_c(φIIC) + 40
ns
t_su(SDA-SCL) MSDA input setup time
100
100
ns
t_h(SCL-SDA)
MSDA input hold time
0
0
ns
Note:
1. The value is calculated by the following formulas based on a value SSC set by bits SSC4 to SSC0 in
the I2CSSCR register:
t_h(SDA-SCL)S = SSC ÷ 2 × t_c(φIIC) + 40 [ns]
t_su(SCL-SDA)P = (SSC ÷ 2 + 1) × t_c(φIIC) + 40 [ns]
t_w(SDAH)P = (SSC + 1) × t_c(φIIC) + 40 [ns]
REJ03B0298-0100 Rev.1.00
Jul 16, 2010
Page 103 of 113