UPD78F9200MA-CAC-A Renesas Electronics America, UPD78F9200MA-CAC-A Datasheet - Page 90
UPD78F9200MA-CAC-A
Manufacturer Part Number
UPD78F9200MA-CAC-A
Description
MCU 8BIT 1KB FLASH 128B RAM
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9200MA-CAC-A.pdf
(342 pages)
Specifications of UPD78F9200MA-CAC-A
Package / Case
*
Voltage - Supply (vcc/vdd)
2 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Speed
10MHz
Number Of I /o
7
Core Processor
78K0S
Program Memory Type
FLASH
Ram Size
128 x 8
Program Memory Size
1KB (1K x 8)
Data Converters
A/D 4x10b
Oscillator Type
Internal
Peripherals
LVD, POR, PWM, WDT
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
UPD78F9200MA-CAC-A
Manufacturer:
NEC
Quantity:
20 000
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5.6
(1) Clock to peripheral hardware
(2) Low-speed internal oscillation clock
88
The following two types of clocks are supplied to the peripheral hardware.
The clock to the peripheral hardware is supplied by dividing the system clock (f
by the pre-processor clock control register (PPCC).
Three types of frequencies are selectable: “f
peripheral hardware.
The low-speed internal oscillator of the clock oscillator for interval time generation is always started after release
of reset, and oscillates at 240 kHz (TYP.).
It can be specified by the option byte whether the low-speed internal oscillator can or cannot be stopped by
software. If it is specified that the low-speed internal oscillator can be stopped by software, oscillation can be
started or stopped by using the low-speed internal oscillation mode register (LSRCM). If it is specified that it
cannot be stopped by software, the clock source of WDT is fixed to the low-speed internal oscillation clock (f
The low-speed internal oscillator is independent of the CPU clock. If it is used as the source clock of WDT,
therefore, a hang-up can be detected even if the CPU clock is stopped. If the low-speed internal oscillator is used
as a count clock source of 8-bit timer H1, 8-bit timer H1 can operate even in the standby status.
Table 5-4 shows the operation status of the low-speed internal oscillator when it is selected as the source clock of
WDT and the count clock of 8-bit timer H1. Figure 5-14 shows the status transition of the low-speed internal
oscillator.
Clock to peripheral hardware (f
Low-speed internal oscillation clock (f
Operation of Clock Generator Supplying Clock to Peripheral Hardware
Can be stopped by
software
Cannot be stopped
Option Byte Setting
PPCC1
0
0
1
1
Table 5-4. Operation Status of Low-Speed Internal Oscillator
LSRSTOP = 1
LSRSTOP = 0
LSRSTOP = 1
LSRSTOP = 0
PPCC0
0
1
0
1
XP
Table 5-3. Clocks to Peripheral Hardware
)
CHAPTER 5 CLOCK GENERATORS
f
f
f
Setting prohibited
RL
X
X
X
/2
/2
)
2
User’s Manual U18172EJ3V0UD
Operation mode
Standby
Operation mode
Standby
X
CPU Status
”, “f
Selection of clock to peripheral hardware (f
X
/2”, and “f
X
/2
Stopped
Operates
Stopped
Stopped
Operates
2
”. Table 5-3 lists the clocks supplied to the
WDT Status
X
). The division ratio is selected
Stopped
Operates
Stopped
Operates
TMH1 Status
XP
)
RL
).
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