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參數(shù)資料
| 型號(hào)： | M38049FFLHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PQFP64 |
| 封裝： | 10 X 10 MM, 0.50 MM PITCH, PLASTIC, LQFP-64 |
| 文件頁(yè)數(shù)： | 100/129頁(yè) |
| 文件大?。?/td> | 1721K |
| 代理商： | M38049FFLHP |
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Rev.1.00
Oct 27, 2008
Page 72 of 128
REJ03B0266-0100
3804 Group (Spec.L)
[I2C Special Mode Status Register (S3)] 001216
The I2C special mode status register (S3: address 001216)
consists of the flags indicating I2C operating state in the I2C
special mode, which is set by the I2C special mode control
register (S3D: address 001716).
The stop condition flag is valid in all operating modes.
Bit 0: Slave address 0 comparison flag (AAS0)
Bit 1: Slave address 1 comparison flag (AAS1)
Bit 2: Slave address 2 comparison flag (AAS2)
These flags indicate a comparison result of address data. These
flags are valid only when the slave address control bit (MSLAD)
is “1”.
In the 7-bit addressing format of the slave reception mode, the
respective slave address i (i = 0, 1, 2) comparison flags
corresponding to the I2C slave address registers 0 to 2 are set to
“1” when an address data immediately after an occurrence of a
START condition agrees with the high-order 7-bit slave address
stored in the I2C slave address registers 0 to 2 (addresses 0FF716
to 0FF916).
In the 10-bit addressing format of the slave mode, the respective
slave address i (i = 0, 1, 2) comparison flags corresponding to the
I2C slave address registers are set to “1” when an address data is
compared with the 8 bits consisting of the slave address stored in
the I2C slave address registers 0 to 2 and the RWB bit, and the
first byte agrees.
These flags are initialized to “0” at reset, when the slave address
control bit (MSLAD) is “0”, or when writing data to the I2C data
shift register (S0: address 001116).
Bit 5: SCL pin low hold 2 flag (PIN2)
When the ACK interrupt control bit (ACKICON) and the ACK
clock bit (ACK) are “1”, this flag is set to “0” in synchronization
with the falling of the data’s last SCL clock, just before the ACK
clock. The SCL pin is simultaneously held low, and the I2C
interrupt request occurs.
This flag is initialized to “1” at reset, when the ACK interrupt
control bit (ACKICON) is “0”, or when writing “1” to the SCL
pin low hold 2 flag set bit (PIN2IN).
The SCL pin is held low when either the SCL pin low hold bit
(PIN) or the SCL pin low hold 2 flag (PIN2) becomes “0”. The
low hold state of the SCL pin is released when both the SCL pin
low hold bit (PIN) and the SCL pin low hold 2 flag (PIN2) are
“1”.
Bit 7: Stop condition flag (SPCF)
This flag is set to “1” when a STOP condition occurs.
This flag is initialized to “0” at reset, when the I2C-BUS
interface enable bit (ES0) is “0”, or when writing “1” to the
STOP condition flag clear bit (SPFCL).
Fig. 71 Structure of I2C special mode status register
I2C special mode status register
(S3: address 001216)
b7
b0
Slave address 0 comparison flag
0: Address disagreement
1: Address agreement
Slave address 1 comparison flag
0: Address disagreement
1: Address agreement
Slave address 2 comparison flag
0: Address disagreement
1: Address agreement
Not used
(return “0” when read)
Not used
(undefined when read)
SCL pin low hold 2 flag
0: SCL pin low hold
1: SCL pin low release (Note)
Not used
(return “0” when read)
STOP condition flag
0: No detection
1: Detection
Note: In order that the low hold state of the SCL pin may release, it is necessary that the
SCL pin low hold 2 flag and the SCL pin low hold bit (PIN) are “1” simultaneously.
SPCF
PIN2
AAS2
AAS1
AAS0
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PDF描述 |
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| M38049FFLSP | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PDIP64 |
| M38112E4SS | 8-BIT, UVPROM, 4.19 MHz, MICROCONTROLLER, CDIP64 |
| M38112E4-XXXFP | 8-BIT, OTPROM, 4.19 MHz, MICROCONTROLLER, PQFP64 |
| M38112E4-XXXSP | 8-BIT, OTPROM, 4.19 MHz, MICROCONTROLLER, PDIP64 |
| M38112E4FS | 8-BIT, UVPROM, 4.19 MHz, MICROCONTROLLER, CQCC64 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| M38049FFLHP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38049RLSS | 功能描述:DEV EMULATOR CHIP RAM 2KB 64SDIP RoHS:否 類別:編程器，開發(fā)系統(tǒng) >> 內(nèi)電路編程器、仿真器以及調(diào)試器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 19/Jul/2010 標(biāo)準(zhǔn)包裝:1 系列:* 類型:* 適用于相關(guān)產(chǎn)品:* 所含物品:* |
| M3806 | 功能描述:電纜固定件和配件 LTSCG 625 BLACK RoHS:否 制造商:Heyco 類型:Cable Grips, Liquid Tight 材料:Nylon 顏色:Black 安裝方法:Cable 最大光束直徑:11.4 mm 抗拉強(qiáng)度: |
| M3806 BK001 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 1000' |
| M3806 BK002 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 500' |
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