UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 650

• Manufacturer Part Number: UPD784026
• Description: 16/8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

EXTC
System
Clock
Oscillator
fxx
INTP4,INTP5
Frequency
Divider
RESET
NMI
fxx/2
fxx/4
fxx/8
fxx/16
Selector
Rising Edge
Detection
Rising Edge
Detection
Falling Edge
Detection
Falling Edge
Detection
Oscillation Stabilization
Timer (20)
Figure 22-2 Standby Function Block Diagram
OSTS0
OSTS1
OSTS2
EXTC
Selector
Selector
ESNMI
ES40,ES50
ES41,ES51
Valid Edge
Selector
Macro Service
Request
Interrupt
INTC
ISM
MK
IDLE F/F
STP F/F2
STP F/F1
HLT F/F
Q
Q
Q
Q
Q
Q
Q
Q
R
R
R
R
S
S
S
S
Macro Service
Request
To Peripheral Circuit
RAM PROTECT
To Peripheral Circuit
CPU CLK
HLT Bit Setting
STOP Bit Setting