R5S77631Y266BGV Renesas Electronics America, R5S77631Y266BGV Datasheet - Page 824
R5S77631Y266BGV
Manufacturer Part Number
R5S77631Y266BGV
Description
IC SUPERH MPU ROMLESS 499BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7780r
Datasheet
1.R5S77631Y266BGV.pdf
(2056 pages)
Specifications of R5S77631Y266BGV
Core Processor
SH-4A
Core Size
32-Bit
Speed
266MHz
Connectivity
Audio Codec, I²C, MMC, SCI, SIM, SIO, SSI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
107
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.15 V ~ 1.35 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
499-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
R5S77631Y266BGV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 21 Compare Match Timer (CMT)
21.2.2
CMCSR is a 16-bit register that indicates the occurrence of compare matches, enables interrupts
and DMA transfer request, and sets the counter input clocks.
Do not change bits other than bits CMF and OVF during the compare match timer counter
(CMCNT) operation.
Rev. 2.00 May 22, 2009 Page 754 of 1982
REJ09B0256-0200
Initial value:
Bit
15
14
R/W:
Bit:
Bit Name
CMF
OVF
R/(W)* R/(W)*
Compare Match Timer Control/Status Register (CMCSR)
CMF
15
0
OVF
14
0
Initial
Value
0
0
13
R
0
12
R
0
R/W
R/(W)*
R/(W)*
11
R
0
10
R
0
1
1
Description
Compare Match Flag
This flag indicates whether or not values of the compare
match timer counter (CMCNT) and compare match timer
constant register (CMCOR) have matched.
Software cannot write 1 to the bit. When one-shot is
selected for the counter operation, counting resumes by
clearing this bit.
0: CMCNT and CMCOR values have not matched
[Clearing condition]
•
1: CMCNT and CMCOR values have matched
Overflow Flag
This flag indicates whether or not the compare match
timer counter (CMCNT) has overflowed and been cleared
to 0. Software cannot write 1 to this bit.
0: CMCNT has not overflowed
[Clearing condition]
•
1: CMCNT has overflowed
CMS
R/W
9
0
Write 0 to CMF after reading CMF=1
Write 0 to OVF after reading OVF=1
CMM
R/W
8
0
R
7
0
R
6
0
R/W
5
0
CMR[1:0]
R/W
4
0
R
3
0
R/W
2
0
CKS[2:0]
R/W
1
0
R/W
0
0
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