参数资料
型号: M37512F8HP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 4 MHz, MICROCONTROLLER, PQFP48
封装: 7 X 7 MM, 0.50 MM PITCH, PLASTIC, LQFP-48
文件页数: 5/87页
文件大小: 879K
代理商: M37512F8HP
Feb 18, 2005
page 13 of 85
REJ03B0122-0101
7512 Group
Fig. 10 Port block diagram (2)
(15) Port P25
Data bus
Serial I/O1 enable bit
Transmit enable bit
SDA/SCL pin selection bit
I2C-BUS interface enable bit
SCL input
Serial I/O1 output
SCL output
SDA/SCL pin selection bit
(12) Port P22
Data bus
SDA output
SDA input
I2C-BUS interface enable bit
Data bus
(16) Port P26
Serial I/O1 enable bit
Serial I/O1 mode selection bit
Serial I/O1 enable bit
Serial I/O1 synchronous clock
selection bit
Serial I/O1 external
clock input
Serial I/O1 clock output
(14) Port P24
SDA output
SDA input
SDA/SCL pin selection bit
I2C-BUS interface enable bit
Data bus
Serial I/O1 input
Serial I/O1 enable bit
Receive enable bit
(13) Port P23
Data bus
SDA/SCL pin selection bit
SCL output
SCL input
(11) Port P21
Data bus
Port XC switch bit
Sub-clock generating circuit input
(10) Port P20
Data bus
Port XC switch bit
Port P21
Port Xc switch bit
32kHz RC Oscillation enable bit
Reference
voltage
(9) Port P1
Data bus
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
Direction
register
Port latch
I2C-BUS interface enable bit
+
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