HD6417709SF133B Renesas Electronics America, HD6417709SF133B Datasheet - Page 465

IC SUPERH MPU ROMLESS 208LQFP

HD6417709SF133B

Manufacturer Part Number
HD6417709SF133B
Description
IC SUPERH MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet

Specifications of HD6417709SF133B

Core Processor
SH-3
Core Size
32-Bit
Speed
133MHz
Connectivity
EBI/EMI, FIFO, IrDA, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
96
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 2.05 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-

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13.2.15 RTC Control Register 1 (RCR1)
The RTC control register 1 (RCR1) is an 8-bit readable/writable register that affects carry flags
and alarm flags. It also selects whether to generate interrupts for each flag. Because flags are
sometimes set after an operand read, do not use this register in read-modify-write processing.
RCR1 is initialized to H'00 by a power-on reset or a manual reset. In a manual reset, all bits are
initialized to H'00 except for the CF flag, which is undefined. When using the CF flag, it must be
initialized beforehand. This register is not initialized in standby mode.
Bit 7—Carry Flag (CF): Status flag that indicates that a carry has occurred. Setting CF to 1
indicates reading of a counter register value has occurred when (1) the second counter is carried or
(2) the 64-Hz counter is carried. A count register value read at this time cannot be guaranteed;
another read is required.
Bits 6, 5, 2, and 1—Reserved: These bits are always read as 0. The write value should always be
0.
Bit 4—Carry Interrupt Enable Flag (CIE): When the carry flag (CF) is set to 1, the CIE bit
enables interrupts.
Bit 7: CF
0
1
Bit 4: CIE
0
1
Initial value:
R/W:
Bit:
Description
No count up of R64CNT or RSECCNT
Clearing condition: When 0 is written to CF
Count up of R64CNT or RSECCNT
Setting condition: When 1 is written to CF
Description
A carry interrupt is not generated when the CF flag is set to 1
A carry interrupt is generated when the CF flag is set to 1
R/W
CF
7
0
R
6
0
R
5
0
R/W
CIE
4
0
R/W
AIE
3
0
Rev. 5.00, 09/03, page 419 of 760
R
2
0
R
1
0
(Initial value)
(Initial value)
R/W
AF
0
0

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