M30281FCHP#U3B Renesas Electronics America, M30281FCHP#U3B Datasheet - Page 117

• Manufacturer Part Number: M30281FCHP#U3B
• Description: IC M16C/28 MCU FLASH 64-LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/Tiny/28r

Specifications of M30281FCHP#U3B

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, POR, PWM, Voltage Detect, WDT
• Number Of I /o: 55
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-LQFP
• For Use With: R0K330290S000BE - KIT EVAL STARTER FOR M16C/29M30290T2-CPE - EMULATOR COMPACT M16C/26A/28/29M30290T2-CPE-HP - EMULATOR COMPACT FOR M16C/TINY
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

R
R
M
11.2. DMA Transfer Cycles
e
E
1
NOTES:
. v
J
k
6
j
Table 11.2 DMA Transfer Cycles
Table 11.3 Coefficient j, k
0
C
8-bit transfers
(DMBIT= “1”)
16-bit transfers
(DMBIT= “0”)
1. Depends on the set value of PM20 bit in PM2 register
2
9
Internal ROM, RAM
No wait With wait
Any combination of even or odd transfer read and write adresses is possible. Table 11.2 shows the
number of DMA transfer cycles. Table 11.3 shows the Coefficient j, k.
The number of DMAC transfer cycles can be calculated as follows:
0 .
2 /
Transfer unit
B
0
0
8
1
1
0
4
G
J
7
a
o r
0 -
. n
No. of transfer cycles per transfer unit = No. of read cycles x j + No. of write cycles x k
u
2
3
p
0
Internal area
, 1
0
(
2
2
M
2
0
1
0
6
7
C
Access address
2 /
1 wait
, 8
page 95
(1)
2
2
M
Even
Even
SFR
Odd
Odd
1
6
C
2 wait
f o
2 /
(1)
3
3
8
3
) B
8
5
No. of read cycles
1
1
1
2
No. of write cycles
1
1
1
2
11. DMAC