M30803FGFP#D3 Renesas Electronics America, M30803FGFP#D3 Datasheet - Page 29
M30803FGFP#D3
Manufacturer Part Number
M30803FGFP#D3
Description
IC M16C MCU FLASH 256K 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/80r
Datasheet
1.M30803FGGPU3.pdf
(360 pages)
Specifications of M30803FGFP#D3
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
20K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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M
R
R
e
E
1
v
J
6
1 .
0
C
(17) Flag register (FLG)
9
0 .
8 /
B
Flag register (FLG) is configured with 11 bits, each bit is used as a flag. Figure 3.2 shows the flag
register (FLG). The following explains the function of each flag:
0
0
• Bit 0: Carry flag (C flag)
• Bit 1: Debug flag (D flag)
• Bit 2: Zero flag (Z flag)
• Bit 3: Sign flag (S flag)
• Bit 4: Register bank select flag (B flag)
• Bit 5: Overflow flag (O flag)
• Bit 6: Interrupt enable flag (I flag)
• Bit 7: Stack pointer select flag (U flag)
• Bits 8 to 11: Reserved area
0
1
A
This flag retains a carry, borrow, or shift-out bit that has occurred in the arithmetic/logic unit.
This flag enables a single-step interrupt.
When this flag is “1”, a single-step interrupt is generated after instruction execution. This flag is
cleared to “0” when the interrupt is acknowledged.
This flag is set to “1” when an arithmetic operation resulted in 0; otherwise, cleared to “0”.
This flag is set to “1” when an arithmetic operation resulted in a negative value; otherwise, cleared
to “0”.
This flag chooses a register bank. Register bank 0 is selected when this flag is “0” ; register bank
1 is selected when this flag is “1”.
This flag is set to “1” when an arithmetic operation resulted in overflow; otherwise, cleared to “0”.
This flag enables a maskable interrupt.
An interrupt is disabled when this flag is “0”, and is enabled when this flag is “1”. This flag is
cleared to “0” when the interrupt is acknowledged.
Interrupt stack pointer (ISP) is selected when this flag is “0” ; user stack pointer (USP) is selected
when this flag is “1”.
This flag is cleared to “0” when a hardware interrupt is acknowledged or an INT instruction of
software interrupt Nos. 0 to 31 is executed.
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Page 16
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3. Central Processing Unit (CPU)
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