HD6417709SF133B Renesas Electronics America, HD6417709SF133B Datasheet - Page 457
HD6417709SF133B
Manufacturer Part Number
HD6417709SF133B
Description
IC SUPERH MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.D6417709SBP167BV.pdf
(809 pages)
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
13.2.1
The 64-Hz counter (R64CNT) is an 8-bit read-only register that indicates the states of the RTC
divider circuit, RTC prescaler, and R64CNT between 64 Hz and 1 Hz.
R64CNT is initialized to H'00 by setting the RESET bit in RTC control register 2 (RCR2) or the
ADJ bit in RCR2 to 1.
R64CNT is not initialized by a power-on reset or manual reset, or in standby mode.
Bit 7 is always read as 0.
13.2.2
The second counter (RSECCNT) is an 8-bit readable/writable register used for setting/counting in
the BCD-coded second section of the RTC. The count operation is performed by a carry for each
second of the 64-Hz counter.
The range that can be set is 00–59 (decimal). Errant operation will result if any other value is set.
Carry out write processing after halting the count operation with the START bit in RCR2.
RSECCNT is not initialized by a power-on reset or manual reset, or in standby mode.
Initial value:
Initial value:
RTC Registers
64-Hz Counter (R64CNT)
Second Counter (RSECCNT)
R/W:
R/W:
Bit:
Bit:
—
—
R
R
7
0
7
0
R/W
1Hz
—
—
R
6
6
10 seconds
R/W
2Hz
—
—
R
5
5
R/W
4Hz
—
—
R
4
4
R/W
8Hz
—
—
R
3
3
Rev. 5.00, 09/03, page 411 of 760
16Hz
R/W
—
—
R
2
2
1 second
32Hz
R/W
—
—
R
1
1
64Hz
R/W
—
—
R
0
0
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