UPD78F0838 Renesas Electronics Corporation., UPD78F0838 Datasheet - Page 454
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UPD78F0838
Manufacturer Part Number
UPD78F0838
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0838.pdf
(917 pages)
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452
SDA0/
SCL0/
P60
P61
N-ch open-
drain output
N-ch open-
drain output
PM61
PM60
Output latch
Output latch
(P61)
eliminator
DFC0
(P60)
Noise
eliminator
Noise
DFC0
Figure 14-1. Block Diagram of Serial Interface IIC0
register 0 (IIC0)
Output control
TRC0
Start condition
Stop condition
IIC shift
ACK detector
register 0 (SVA0)
Serial clock
Serial clock
Slave address
controller
detector
detector
counter
CHAPTER 14 SERIAL INTERFACE IIC0
f
PRS
Preliminary User’s Manual U19748EJ1V0UD
Match
signal
CLD0 DAD0 SMC0 DFC0 CL01 CL00
IIC control register 0 (IICC0)
IICE0
D Q
time correction
Data hold
Clear
circuit
LREL0 WREL0 SPIE0 WTIM0 ACKE0 STT0 SPT0
Set
SO latch
Prescaler
CL01,
CL00
Internal bus
IIC clock selection
register 0 (IICCL0)
wait controller
Serial clock
IICS0.MSTS0, EXC0, COI0
IIC status register 0 (IICS0)
generator
IICC0.STT0, SPT0
CLX0
ACK
Interrupt request
IIC function expansion
register 0 (IICX0)
signal generator
IIC shift register 0 (IIC0)
MSTS0 ALD0 EXC0 COI0 TRC0 ACKD0 STD0 SPD0
generator
generator
condition
condition
Internal bus
IICS0.MSTS0,
EXC0, COI0
Start
Stop
controller
Wake-up
STCF
INTIIC0
IICBSY STCEN IICRSV
IIC flag register 0
(IICF0)
Bus status
detector
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