M30803FGFP#U3 Renesas Electronics America, M30803FGFP#U3 Datasheet - Page 50

• Manufacturer Part Number: M30803FGFP#U3
• Description: MCU 3/5V 256K I-TEMP PB-FREE 100
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/80r

Specifications of M30803FGFP#U3

• 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-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

M
R
R
e
E
1
v
J
Figure 7.4 Example of RD signal extended by RDY signal
6
1 .
0
C
9
0 .
8 /
B
0
0
0
1
A
G
Separate bus (2 wait)
Multiplexed bus (2 wait)
8
u
7
o r
BCLK
RD
CS
(i=0 to 3)
RDY
BCLK
RD
CS
(i=0 to 3)
RDY
. g
0 -
u
RDY signal received timing for i wait(s): i + 1 cycles
(i = 1 to 3)
1
Note: Chip select may get longer by a state of CPU such as an instruction queue buffer.
0
i
i
p
0
, 2
(Note)
(Note)
0
2
: Wait using RDY signal
: Wait using software
0
0
5
Page 37
1st cycle
1st cycle
_____
f o
3
2
9
2nd cycle
2nd cycle
________
RDY received timing
RDY received timing
3rd cycle
3rd cycle
tsu(RDY - BCLK)
tsu(RDY - BCLK)
4th cycle
4th cycle
7. Bus