參數(shù)資料
型號(hào): UPD178076
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 29/72頁
文件大?。?/td> 366K
代理商: UPD178076
2
μ
P
D
Figure 3-10. Block Diagram of Serial Interface 0
SI0/SB0/SDA0/P25
SO0/SB1/SDA1/P26
SCK0/SCL/P27
CLD
PM27
PM26
PM25
Output control
Output control
Output control
Control circuit
BSYE
Selector
Selector
P26 output latch
P25
output latch
Serial operating mode register 0 (CSIM0)
CSIE0
COI
WUPC04
CSIM
03
CSIM
02
CSIM
01
Coincidence
P27 output latch
Slave address register 0
(SVA0)
Serial I/O shift register
(SIO0)
SVAM
Stop condition/
start condition/
acknowledge
detector
Serial clock
counter
Serial clock
control circuit
CSIM01
CSIM01
CLR SET
D
Q
ACKD
CMDD
RELDWUP
Acknowledge
output circuit
Interrupt request
signal generator
Selector
1/16
divider
Selector
2
4
Interrupt timing
specification register 0 (SINT0)
CLD
SIC
SVAM
CLC
WREL
WAT1 WAT0
SCL03 SCL02 SCL01 SCL00
f
X
/2
2
-f
X
/2
9
Internal bus
BSYE
0
ACKD ACKE ACKT CMDD RELD CMDT RELT
Serial bus interface control
register 0 (SBIC0)
INTCSI0
Internal bus
Note
Note
Serial interface clock
select register 0 (SCL0)
Note
Example in I
2
C bus mode operation.
Remark
Output Control performs selection between CMOS output and N-ch open drain output.
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