Renesas rl78 User Manual

Page of 1004
 
RL78/G1A 
CHAPTER  29   ELECTRICAL  SPECIFICATIONS  (T
A
  =  
−40  to  +85°C) 
R01UH0305EJ0200  Rev.2.00 
 
 
871  
Jul 04, 2013 
UART mode connection diagram (during communication at same potential) 
 
RL78 microcontroller
TxDq
RxDq
Rx
Tx
User device
 
 
UART mode bit width (during communication at same potential) (reference) 
 
Baud rate error tolerance
High-/Low-bit width
1/Transfer rate
TxDq
RxDq
 
 
 
Remarks  1.  q: UART number (q = 0 to 2), g: PIM and POM number (g = 0, 1) 
2.  f
MCK
: Serial array unit operation clock frequency  
(Operation clock to be set by the CKSmn bit of serial mode register mn (SMRmn).  m: Unit number,  
n: Channel number (mn = 00 to 03, 10, 11))