CHAPTER 10 SERIAL INTERFACE FUNCTION
User’s Manual U13850EJ6V0UD
276
Figure 10-5. Block Diagram of I
2
C
Internal bus
IIC status register n
(IICSn)
IIC control register n
(IICCn)
Slave address
register n (SVAn)
Noise
eliminator
Noise
eliminator
Match
signal
IIC shift register n
(IICn)
SO latch
IICEn
D Q
SET
CLEAR
CL1,
CL0
SDAn
SCLn
N-ch open-
drain output
N-ch open-
drain output
Data hold time
correction
circuit
ACK detector
Wakeup controller
ACK detector
Stop condition
detector
Serial clock counter
Interrupt request
signal generator
Serial clock controller
Serial clock wait
controller
Prescaler
INTIICn
f
XX
TMx output
LRELn WRELn SPIEn WTIMn ACKEn
STTn
SPTn
MSTSn ALDn EXCn
COIn
TRCn ACKDn STDn SPDn
Start condition
detector
Internal bus
CLDn DADn SMCn DFCn CLn1 CLn0
CLXn
IICCEn1 IICCEn0
IIC clock selection
register n (IICCLn)
IIC function expansion
register n (IICXn)
IIC clock expansion
register n (IICCEn)
Remarks 1.
n = 0, 1
2.
TMx output
n = 0: TM2 output
n = 1: TM3 output
Содержание V850/SB1
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