參數(shù)資料
型號(hào): UPD784225
廠商: NEC Corp.
英文描述: 16/8-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述: 16/8-BIT單晶片微控制器
文件頁數(shù): 43/92頁
文件大?。?/td> 687K
代理商: UPD784225
43
μ
PD784224, 784225, 784224Y, 784225Y
Data Sheet U12376EJ1V0DS00
Figure 7-13. Block Diagram in I
2
C Bus Mode
Internal bus
8
8
Direction controller
8
Slave address register
(SVA0)
Output latch
Wakeup
controller
Serial I/O shift
register 0 (SIO0)
Start condition/
acknowledge
detector
Stop condition
detector
Serial clock
counter
Serial clock
controller
Interrupt
generator
Selector
SDA0
SCL0
INTIIC0
TO2/18 to TO2/68
f
XX
/24 to f
XX
/178
Acknowledge
generator
7.8 Clock Output Function
Clocks of the following frequencies can be output.
97.7 kHz/195 kHz/391 kHz/781 kHz/1.56 MHz/3.13 MHz/6.25 MHz/12.5 MHz
(main system clock: 12.5 MHz)
32.768 kHz (subsystem clock: 32.768 kHz)
Figure 7-14. Block Diagram of Clock Output Function
f
XX
f
XX
/2
f
XX
/2
2
f
XX
/2
3
f
XX
/2
4
f
XX
/2
5
f
XX
/2
6
f
XX
/2
7
f
XT
Synchronizer
Output controller
PCL
S
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