參數(shù)資料
型號(hào)： UPD784037YGC
廠商： NEC Corp.
英文描述： TRANS PREBIASED DUAL NPN SOT363
中文描述： 16-/8-bit的單晶片微控制器
文件頁(yè)數(shù)： 44/94頁(yè)
文件大小： 503K
代理商： UPD784037YGC
μ
PD784035Y, 784036Y, 784037Y, 784038Y
44
(1) 3-wire serial I/O mode
This mode is to communicate with devices having the conventional clocked serial interface.
Basically, communication is established in this mode with three lines: one serial clock (SCK0) and two serial
data (SI0 and SO0) lines.
Generally, a handshake line is necessary to check the communication status.
(2) 2-wire serial I/O mode
This mode is to transfer 8-bit data by using two lines: serial clock (SCL) and serial data bus (SDA).
Generally, a handshake line is necessary to check the communication status.
(3) I
2
C (Inter IC) bus mode
This mode is to communicate with devices conforming to the I
2
C bus format.
This mode is to transfer 8-bit data with two or more devices by using two lines: serial clock (SCL) and serial
data bus (SDA).
During transfer, a “start condition”, “data”, and “stop condition” can be output onto the serial data bus. During
reception, these data can be automatically detected by hardware.
7.9
Clock Output Function
The operating clock of the CPU can be divided and output to an external device. The pin that outputs the clock
can also be used as a 1-bit port.
When this function is used, the local bus interface cannot be used because the ASTB and CLKOUT pins are
multiplexed.
Figure 7-13. Block Diagram of Clock Output Function
CLKOUT
Output
control
Output level
S
f
CLK
f
CLK
/2
f
CLK
/4
f
CLK
/8
f
CLK
/16
Output enable
相關(guān)PDF資料
PDF描述
UPD784037 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
UPD784038YGK RECTIFIER BRIDGE 1.5A 1000V 40A-ifsm 1.1V-vf 5uA-ir KBP 35/TUBE
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