參數(shù)資料
型號: UPD780018YGF-xxx-3BA
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): 25/42頁
文件大?。?/td> 189K
代理商: UPD780018YGF-XXX-3BA
μ
PD780016Y, 780018Y
25
Figure 5-11. Serial Interface Channel 4 Block Diagram
Internal bus
Serial I/O
shift register 4
(SIO4)
Serial clock
counter
Serial clock
control circuit
Interrupt
request
signal
generator
INTCSI4
f
XX
/2
2
-f
XX
/2
8
SI4B/P93
SI4A/P90
SI4C/P110
SO4B/P94
SO4A/P91
SO4C/P111
SCK4A/P92
SCK4B/P95
SCK4C/P112
TO2
S
S
S
S
Figure 5-12. Serial Interface Channel 5 Block Diagram
Internal bus
Serial I/O shift
register 5 (SIO5)
Serial clock
counter
Interrupt request signal
generation circuit
INTIIC
Wake-up
control circuit
Acknowledge
output circuit
Data retention time
correction circuit
Acknowledge
detection circuit
Start condition
detection circuit
Stop condition
detection circuit
Serial clock
control circuit
Serial clock wait
control circuit
Prescaler
I
2
C bus interface control
register (IICC)
I
2
C bus interface status
register (IICS)
Slave address
register 5 (SVA5)
Internal bus
I
2
C bus interface clock
select register (IICCL)
Match signal
Clear
Set
CL0
P117 output latch
P116 output latch
P117/SCL
N-ch open-drain output
P116/SDA
N-ch open-drain output
Output latch
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