UPD784915B Datasheet, PDF (38/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
Figure 3-16. Block Diagram of 8-Bit PWM Output Unit
Internal bus
PWM2
PWM3
PWM4
PWMC1
8-bit comparator
8-bit comparator
8-bit comparator
16 MHz
PWM counter
Output control
circuit
PWM4
Output control
circuit
PWM3
Output control
circuit
PWM2
3.7 Serial Interface
The µPD784916B is provided with the serial interfaces shown in Table 3-7.
Data can be automatically transmitted or received through these serial interfaces, when the macro service is used.
Name
Serial interface channel 1
Serial interface channel 2
Table 3-7. Types of Serial Interfaces
Function
• Clocked serial interface (3-wire)
• Bit length: 8 bits
• Clock rate: External clock/31.25 kHz/62.5 kHz/125 kHz/250 kHz/500 kHz/1 MHz
(fCLK = 8 MHz)
• MSB first/LSB first selectable
• Clocked serial interface (3-wire)
• Bit length: 8 bits
• Clock rate: External clock/31.25 kHz/62.5 kHz/125 kHz/250 kHz/500 kHz/1 MHz
(fCLK = 8 MHz)
• MSB first/LSB first selectable
• BUSY/STRB control function
38