參數(shù)資料
型號: μPD784225Y
廠商: NEC Corp.
英文描述: 16 Bit Single Chip Microcontrollers(16 位單片微控制器)
中文描述: 16位單片機(jī)微控制器(16位單片微控制器)
文件頁數(shù): 41/68頁
文件大?。?/td> 278K
代理商: ΜPD784225Y
41
μ
PD784224Y, 784225Y
Figure 7-13. Block Diagram in I
2
C Bus Mode
Internal bus
8
8
Direction control circuit
8
Slave address register
(SVA0)
Output latch
Wakeup
control circuit
Serial I/O shift
register 0 (SIO0)
Start condition/
acknowledge
detection circuit
Stop condition
detection circuit
Serial clock
counter
Serial clock
control circuit
Interrupt
generation
circuit
Selector
SDA0
SCL0
INTIIC0
TO2/18-TO2/68
f
XX
/24-f
XX
/178
Acknowledge
generation
circuit
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
Synchronization
circuit
Output control circuit
PCL
S
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