upd70f3422gj-gae-qs-ax Renesas Electronics Corporation., upd70f3422gj-gae-qs-ax Datasheet - Page 575
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upd70f3422gj-gae-qs-ax
Manufacturer Part Number
upd70f3422gj-gae-qs-ax
Description
32-bit Single-chip Microcontroller
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD70F3422GJ-GAE-QS-AX.pdf
(930 pages)
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I
IICLK
2
OCKSENn
C Bus (IIC)
SDAn
SCLn
N-ch open-drain
output
OCKSTHn
Figure 18-1
N-ch open-drain
output
Prescaler
eliminator
18.3 Configuration
Noise
OCKSn1
eliminator
Noise
IIC division clock select
register m (OCKSn)
OCKSn0
IICLKPS = IICLK to IICLK/5
The block diagram of the I
Block diagram of I
Preliminary User’s Manual U17566EE1V2UM00
register n (SVAn)
register n (IICn)
Acknowledge detector
Serial clock counter
Slave address
Star t condition
IIC shift
Stop condition
Serial clock
controller
detector
detector
Match signal
CLDn DADn SMCn DFCn CLn1 CLn0
IIC control register n
IICEn
DQ
Set
time correction
Clear
(IICCn)
Data hold
LRELn WRELnSPIEn WTIMn ACKEn STTn SPTn
SO latch
circuit
2
Prescaler
C0n
CLn1,
CLn0
IICLKTC
IIC clock select
register n (IICCLn)
wait controller
2
Serial clock
Internal bus
Internal bus
C0n is shown below.
Acknowledge
output circuit
IIC status register n (IICSn)
CLXn
Start condition
Interrupt request
signal generator
MSTSn ALDn EXCn COIn TRCn ACKDn STDn SPDn
IIC function expansion
register n (IICXn)
generator
Wake-up controller
STCFn IICBSYn STCENn IICRSVn
INTIICn
IIC flag register n
(IICFn)
Chapter 18
Bus status
detector
575
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