参数资料
型号: M37643F8HP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP80
封装: 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80
文件页数: 46/123页
文件大小: 1292K
代理商: M37643F8HP
Rev.2.00
Aug 28, 2006
page 27 of 119
7643 Group
REJ03B0054-0200
Fig. 22 Block diagram of serial I/O
1/2
1/4
1/8
1/16
1/32
1/64
1/128
1/256
P81/SCLK
P83/STXD
P82/SRXD
P80/SRDY
Data bus
Internal synchronous
clock selection bits
φ
“0”
“1”
Serial I/O
interrupt request
Synchronization
circuit
Synchronous
clock select bit
SRDY output select bit
External clock
P80 latch
“1”
“0”
Serial I/O counter (3)
Serial I/O shift register (8)
SPI mode select bit
P81 latch
“0”
“1”
Serial I/O port select bit
P83 latch
“0”
“1” Serial I/O port select bit
“1”
“0”
SRXD input enable bit
Divider
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