upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 83
upd78f0103hmca1-5a4-a
Manufacturer Part Number
upd78f0103hmca1-5a4-a
Description
8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD78F0103HMCA1-5A4-A.pdf
(438 pages)
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Option byte (LSROSC)
1: Cannot be stopped
0. Can be stopped
Internal oscillation mode
register (RCM)
X2[CL2]
Note Select one of these as the high-speed system clock oscillator by the option byte.
X1[CL1]
Main OSC
control register
(MOC)
system clock
Crystal/ceramic
oscillator
External RC
oscillator
High-speed
STOP
oscillator
oscillator
Internal
RSTOP
Note
Note
MSTOP
f
XP
f
R
Internal bus
clock switch
MCS
Operation
Figure 5-1. Block Diagram of Clock Generator
MCM0
Prescaler
Main clock
mode register
(MCM)
CHAPTER 5 CLOCK GENERATOR
8-bit timer H1,
watchdog timer
f
X
User’s Manual U16846EJ3V0UD
Internal bus
Oscillation stabilization
MOST
11
OSTS2
MOST
time counter
13
f
2
X
OSTS1 OSTS0
MOST
14
2
Prescaler
f
X
3
2
Oscillation
stabilization time
select register
(OSTS)
MOST
15
2
f
X
3
Prescaler
MOST
16
2
f
X
4
Oscillation
stabilization
time counter
status register
(OSTC)
Clock to peripheral
hardware
PCC2
PCC1 PCC0
3
Processor clock
control register
(PCC)
f
CPU
Controller
Control
signal
C
P
U
CPU
clock
(f
CPU
83
)
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