HD6473937RXV Renesas Electronics America, HD6473937RXV Datasheet - Page 200
HD6473937RXV
Manufacturer Part Number
HD6473937RXV
Description
MCU 3/5V 60K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300L SLPr
Datasheet
1.HD6473937RXV.pdf
(523 pages)
Specifications of HD6473937RXV
Core Processor
H8/300L
Core Size
8-Bit
Speed
10MHz
Connectivity
SCI
Peripherals
POR, WDT
Number Of I /o
59
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
HD6473937RXV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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4. Subclock Output Select Register (CWOSR)
CWOSR is an 8-bit read/write register that selects the clock to be output from the TMOW pin.
CWOSR is initialized to H'FE by a reset.
Bits 7 to 1: Reserved bits
Bits 7 to 1 are reserved; they are always read as 1 and cannot be modified.
Bit 0: TMOW pin clock select (CWOS)
Bit 0 selects the clock to be output from the TMOW pin.
Bit 0
CWOS
0
1
9.2.3
1. Interval timer operation
When bit TMA3 in timer mode register A (TMA) is cleared to 0, timer A functions as an 8-bit
interval timer.
Upon reset, TCA is cleared to H'00 and bit TMA3 is cleared to 0, so up-counting and interval
timing resume immediately. The clock input to timer A is selected by bits TMA2 to TMA0 in
TMA; any of eight internal clock signals output by prescaler S can be selected.
After the count value in TCA reaches H'FF, the next clock signal input causes timer A to
overflow, setting bit IRRTA to 1 in interrupt request register 1 (IRR1). If IENTA = 1 in interrupt
enable register 1 (IENR1), a CPU interrupt is requested.*
At overflow, TCA returns to H'00 and starts counting up again. In this mode timer A functions as
an interval timer that generates an overflow output at intervals of 256 input clock pulses.
Note: * For details on interrupts, see 3.3, Interrupts.
186
Bit:
Initial value:
Read/Write:
Timer Operation
Description
Clock output from timer A is output (see TMA)
ø
W
—
—
is output
7
1
—
—
6
1
—
—
5
1
—
—
4
1
—
—
3
1
—
—
2
1
—
—
1
1
(initial value)
CWOS
R/W
0
0
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