M30245FCGP#U1 Renesas Electronics America, M30245FCGP#U1 Datasheet - Page 106

• Manufacturer Part Number: M30245FCGP#U1
• Description: IC M16C/24 MCU FLSH 128K 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/20r

Specifications of M30245FCGP#U1

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, SSI, UART/USART, USB
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 82
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 100-LQFP
• Package: 100LQFP
• Family Name: R8C
• Maximum Speed: 16 MHz
• Operating Supply Voltage: 3.3 V
• Data Bus Width: 16 Bit
• Number Of Programmable I/os: 82
• Interface Type: USB/UART/I2C/SPI
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

M30245 Group
Figure 1.73. DMAC register (3)
Rev.2.00
REJ03B0005-0200
Oct 16, 2006
DMAi transfer counter (i=0-3)
DMAi source pointer (i=0-3)
DMAi destination pointer (i=0-3)
DMAi control register
(b23)
(b15)
b7
b7
b7
(b23)
b7
b6
b5
b4
page 104 of 264
(b19)
b3
b3
(b19)
b3
b2
(b8)
b0
b7
b1
(b16)(b15)
(b16)(b15)
b0
b0
b0
b7
b7
Note 1: DMA request can be cleared by resetting the bit.
Note 2: This bit can only be set to "0".
Note 3: Source address direction select bit and destination address direction select bit cannot
Nothing is assigned. Write "0" when writing to these bits. The value is "0" when read.
Bit Symbol
DMiCON (i=0-3)
DMBIT
DMASL
DMAS
DMAE
DSD
DAD
be set to "1" simultaneously.
Symbol
b0
(b8)
b0
(b8)
Transfer counter
Set a value one less than the transfer count
b0
Source pointer
stores the source address
Nothing is assigned.
Write "0" when writing to these bits. The value is "0" if read.
Destination pointer
stores the destination address
Nothing is assigned.
Write "0" when writing to these bits. The value is "0" if read.
Transfer unit select bit
Repeat transfer mode select bit
DMA request bit (Note 1)
DMA enable bit
Source address direction select
bit (Note 3)
Destination address direction
select bit (Note 3)
b7
b7
Bit Name
Function
002C
Function
018C
Function
Address
16
16
, 003C
, 019C
b0
b0
16
16
Symbol
Symbol
SAR0
SAR1
SAR2
SAR3
Symbol
,
TCR0
TCR1
TCR2
TCR3
DAR0
DAR1
DAR2
DAR3
0 : 16 bits
1 : 8 bits
0 : Single transfer
1 : Repeat transfer
0 : DMA not requested
1 : DMA requested
0 : Disabled
1 : Enabled
0 : Fixed
1 : Forward
0 : Fixed
1 : Forward
0022
0032
0182
0192
0029
0039
0189
0199
0026
0036
0186
0196
Address
Address
Function
00000
16
16
16
16
Address
16
16
16
16
00000
16
16
16
16
When reset
00000X00
0000
to 0020
to 0030
to 0180
to 0190
Transfer count
specification
to 0028
to 0038
to 0188
to 0198
Transfer count
specification
to 0024
to 0034
to 0184
to 0194
Transfer count
specification
16
16
16
to FFFFF
to FFFF
to FFFFF
16
16
16
16
16
16
16
16
16
16
16
16
2
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
When reset
Indeterminate
Indeterminate
Indeterminate
Indeterminate
When reset
When reset
16
16
16
(Note 2)
O O
O O
O O
O O
O O
O O
O O
_ _
_ _
R W
R W
O O
O O
R W
_ _
R W
DMA