UPD784035YGC NEC, UPD784035YGC Datasheet - Page 43

• Manufacturer Part Number: UPD784035YGC
• Description: 16-/8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: NEC

7.8.2
in synchronization with this clock.
In this mode, the master device starts transfer by making the serial clock active and communicates 1-byte data
Remark f
SCK0/SCL
SO0/SDA
Clocked serial interface (CSI)
(in 2-wire or I
SI0
N-ch open drain output
XX
: oscillation frequency or external clock input
2
C bus mode)
(in 2-wire or I
N-ch open drain output
Figure 7-12. Block Diagram of Clocked Serial Interface
Selector
CLS0
CLS1
2
C bus mode)
Direction
register
control
PD784035Y, 784036Y, 784037Y, 784038Y
detection circuit
Stop condition
Shift register
control circuit
Serial clock
Serial clock
detection circuit
detection circuit
Start condition
Internal bus
Acknowledge
counter
Slave address
register
Match signal
Set
Output latch
Selector
Interrupt signal
generation
circuit
Reset
Timer 3 output
f
Selector
XX
/16
INTCSI
Acknowledge
INTSPC
control circuit
Prescaler
detection
Wake-up
control
43
f
XX
/2