UPD78F1203MC-CAB-AX Renesas Electronics America, UPD78F1203MC-CAB-AX Datasheet - Page 232
UPD78F1203MC-CAB-AX
Manufacturer Part Number
UPD78F1203MC-CAB-AX
Description
MCU 16BIT 78K0R/LX3 30-SSOP
Manufacturer
Renesas Electronics America
Series
78K0R/Ix3r
Datasheet
1.UPD78F1201MC-CAB-AX.pdf
(1067 pages)
Specifications of UPD78F1203MC-CAB-AX
Core Processor
78K/0R
Core Size
16-Bit
Speed
40MHz
Connectivity
3-Wire SIO, I²C, LIN, UART/USART
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
*
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F1203MC-CAB-AX
Manufacturer:
RENESAS
Quantity:
15 000
Part Number:
UPD78F1203MC-CAB-AX
Manufacturer:
NEC
Quantity:
20 000
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(2) System clock control register (CKC)
230
This register is used to select a CPU/peripheral hardware clock and a division ratio.
CKC can be set by a 1-bit or 8-bit memory manipulation instruction.
Reset signal generation sets this register to 09H.
Address: FFFA4H
Symbol
CKC
Notes 1. Bits 7 and 5 are read-only.
Remarks 1. f
(Cautions 1 to 3 are given on the next page.)
CLS
CLS
MCM0
MCS
CSS
1
<7>
Note 4
0
1
0
1
0
1
0
Note 2
Note 2
2. CLS bit is provided in the 78K0R/IB3. In the 78K0R/IB3, bit 7 is fixed to 0.
3. Setting is prohibited if the high-speed system clock (f
4. Changing the value of the MCM0 bit is prohibited while CSS is set to 1.
After reset: 09H
2. ×:
Figure 5-4. Format of System Clock Control Register (CKC)
clock (f
Main system clock (f
Subsystem clock divided by 2 (f
Internal high-speed oscillation clock (f
(f
High-speed system clock (f
Selects the internal high-speed oscillation clock (f
oscillation clock (f
Selects the internal high-speed oscillation clock (f
f
f
f
IH
IH40
MX
SUB
IH40
:
: High-speed system clock frequency
CSS
<6>
: 40 MHz internal high-speed oscillation clock
: Subsystem clock frequency
)
MDIV2
MAIN
don’t care
Internal high-speed oscillation clock frequency
0
0
0
0
1
1
×
) and if f
Other than above
CHAPTER 5 CLOCK GENERATOR
R/W
MCS
<5>
IH40
User’s Manual U19678EJ1V1UD
MX
Note 1
MAIN
) as the main system clock (f
< 4 MHz.
MDIV1
Status of CPU/peripheral hardware clock (f
)
Main system clock (f
0
0
1
1
0
0
×
MX
Status of Main system clock (f
)
MCM0
<4>
SUB
/2)
IH
) or 40 MHz internal high-speed oscillation clock
MDIV0
0
1
0
1
0
1
×
3
1
MAIN
) operation control
IH
MAIN
MX
) or 40 MHz internal high-speed
) as the main system clock (f
)
f
f
f
f
f
f
f
Setting prohibited
MAIN
MAIN
MAIN
MAIN
MAIN
MAIN
SUB
MDIV2
/2
/2 (This is the default setting if
/2
/2
/2
/2
MX
2
MAIN
Selection of CPU/peripheral
2
3
4
5 Note 3
) is selected as the main system
MCM0 = 0.)
)
hardware clock (f
CLK
)
MDIV1
1
MAIN
CLK
)
MDIV0
)
0
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