參數資料
型號: M306H3MC-XXXFP
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP116
封裝: 20 X 20 MM, 0.65 MM PITCH, PLASTIC, LQFP-116
文件頁數: 38/135頁
文件大小: 2583K
代理商: M306H3MC-XXXFP
Rev.1.00
2004.03.23
page 132 of 320
M306H3MC-XXXFP/FCFP
CLK
control
Falling edge
detection
External
clock
Internal clock
Start/stop condition detection
interrupt request
Start condition
detection
Stop condition
detection
Reception register
Bus
busy
Transmission
register
Arbitration
Noise
Filter
SDAi
SCLi
UARTi
D
T
Q
D
T
Q
D
T
Q
NACK
ACK
UARTi
R
UARTi transmit,
NACK interrupt
request
UARTi receive,
ACK interrupt request,
DMA1 request
IICM=1 and
IICM2=0
S
R
Q
ALS
R
S
SWC
IICM=1 and
IICM2=0
IICM2=1
SWC2
SDHI
DMA0, DMA1 request
(UART1: DMA0 only)
Noise
Filter
i=0 to 2
IICM=0
IICM=1
DMA0
(UART0, UART2)
STSPSEL=0
STSPSEL=1
STSPSEL=0
SDASTSP
SCLSTSP
ACK=1
ACK=0
Q
Port register
(Note)
I/O port
9th bit falling edge
9th bit
ACKD register
Delay
circuit
This diagram applies to the case where the UiMR register's SMD2 to SMD0 bits = 0102 and the UiSMR register's IICM bit = 1.
Start and stop condition generation block
IICM
: UiSMR register bit
IICM2, SWC, ALS, SWC2, SDHI : UiSMR2 register bit
STSPSEL, ACKD, ACKC
: UiSMR4 register bit
Note: If the IICM bit = 1, the pin can be read even when the PD6_2, PD6_6 or PD7_1 bit = 1 (output mode).
Figure 2.11.21. I2C Mode Block Diagram
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