M30803FGFP#U3 Renesas Electronics America, M30803FGFP#U3 Datasheet - Page 201

• 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
6
Figure 25.5 The bus timing during DRAM access (2)
1 .
0
C
9
0 .
8 /
B
0
0
0
1
A
8
G
< Write cycle (wait control bit = 1) >
< Read cycle (wait control bit = 1) >
BCLK
CASH
CASL
DW
D
(EDO mode)
BCLK
MA0 to MA12
CASH
CASL
D
u
MA0 to MA12
RAS
RAS
DW
7
o r
. g
0 -
0
0
to D
to D
u
1
0
p
0
, 2
Note : Only CASL is operating in 8-bit data bus width.
Note : Only CASL is operating in 8-bit data bus width.
0
15
15
2
0
0
5
Page 188
'H'
address
address
f o
Row
Row
3
2
9
address 1
address 1
Column
Column
address 2
address 2
Column
Column
address 3
address 3
Column
Column
address 4
Column
address 4
Column
25. DRAM Controller