M30260F6AGP#U5A Renesas Electronics America, M30260F6AGP#U5A Datasheet - Page 79

IC M16C MCU FLASH 48K 48LQFP

M30260F6AGP#U5A

Manufacturer Part Number
M30260F6AGP#U5A
Description
IC M16C MCU FLASH 48K 48LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/Tiny/26r
Datasheet

Specifications of M30260F6AGP#U5A

Core Processor
M16C/60
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, PWM, Voltage Detect, WDT
Number Of I /o
39
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
48-LQFP
Cpu Family
R8C
Device Core Size
16b
Frequency (max)
20MHz
Interface Type
UART
Total Internal Ram Size
2KB
# I/os (max)
39
Number Of Timers - General Purpose
8
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
3V
On-chip Adc
12-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-20C to 85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
48
Package Type
LQFP
Package
48LQFP
Family Name
R8C
Maximum Speed
20 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
16 Bit
Number Of Programmable I/os
39
Number Of Timers
8
For Use With
R0K33026AS000BE - KIT DEV EVALUATION M16C/26A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Compliant

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R
R
M
e
E
8. Protection
. v
J
1
Figure 8.1. PRCR Register
0
6
2
9
In the event that a program runs out of control, this function protects the important registers so that they will
not be rewritten easily. Figure 8.1 shows the PRCR register. The following lists the registers protected by
the PRCR register.
Set the PRC2 bit to “1” (write enabled) and then write to SFR area, and the PRC2 bit will be cleared to “0”
(write protected). The registers protected by the PRC2 bit should be changed in the next instruction after
setting the PRC2 bit to “1”. Make sure no interrupts or DMA transfers will occur between the instruction in
which the PRC2 bit is set to “1” and the next instruction. The PRC0, PRC1 and PRC3 bits are not automati-
cally cleared to “0” by writing to any address. They can only be cleared in a program.
C
0 .
B
2 /
Note
0
0
• Registers protected by PRC0 bit: CM0, CM1, CM2, PLC0, ROCR and PCLKR registers
• Registers protected by PRC1 bit: PM0, PM1, PM2, TB2SC, INVC0 and INVC1 registers
• Registers protected by PRC2 bit: PD9, PACR and NDDR registers
• Registers protected by PRC3 bit: VCR2 and D4INT registers
2
6
0
NOTE:
F
Protect register
A
b7
2
e
0 -
G
1. The PRC2 bit is set to "0" if data is written to the SFR area after the PRC2 bit is set to "1". The
b
b6
1 .
The PRC3 bit in the PRCR register is not available in M16C/26T.
2
o r
PRC0, PRC1 and PRC3 bits are not automatically set to "0". Set them to "0" by program.
0
, 5
b5
0
0
u
p
2
b4
0
0
(
0
M
7
b3
1
6
b2
C
2 /
page 60
b1
6
, A
b0
M
Bit symbol
(b5-b4)
(b7-b6)
f o
1
PRC0
PRC1
PRC2
PRC3
6
Symbol
PRCR
3
C
2
2 /
9
6
, B
Nothing is assigned. When write, set to "0". When read, its
content is indeterminate.
M
Protect bit 0
Protect bit 1
Protect bit 2
Protect bit 3
Reserved bit
1
6
C
2 /
6
Bit name
Address
) T
000A
16
XX000000
After reset
Enable write to CM0, CM1, CM2,
ROCR, PLC0 and PCLKR registers
Enable write to PM0, PM1, PM2,
TB2SC, INVC0 and INVC1
registers
Enable write to PD9, PACR and
NDDR registers
Enable write to VCR2 and D4INT
registers
Must set to "0"
0 : Write protected
1 : Write enabled
0 : Write protected
1 : Write enabled
0 : Write protected
1 : Write enabled
0 : Write protected
1 : Write enabled
2
Function
RW
RW
RW
RW
RW
RW
8. Protection

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