HD6473834HV Renesas Electronics America, HD6473834HV Datasheet - Page 216
HD6473834HV
Manufacturer Part Number
HD6473834HV
Description
MCU 5V 32K PB-FREE 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
Specifications of HD6473834HV
Core Processor
H8/300L
Core Size
8-Bit
Speed
5MHz
Connectivity
SCI
Peripherals
LCD, PWM
Number Of I /o
71
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 12x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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HD6473834HV
Manufacturer:
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Quantity:
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OCRF is a 16-bit read/write output compare register consisting of two 8-bit read/write registers
OCRFH and OCRFL. It can be used as a 16-bit output compare register, with OCRFH as the
upper 8 bits and OCRFL as the lower 8 bits of the register, or OCRFH and OCRFL can be used as
independent 8-bit registers.
OCRFH and OCRFL can be read and written by the CPU, but in 16-bit mode, data transfer with
the CPU takes place via a temporary register (TEMP). For details see 9.5.3, Interface with the
CPU.
Upon reset, OCRFH and OCRFL are each initialized to H'FF.
Timer Control Register F (TCRF)
TCRF is an 8-bit write-only register. It is used to switch between 16-bit mode and 8-bit mode, to
select among four internal clocks and an external clock, and to select the output level at pins
TMOFH and TMOFL.
Upon reset, TCRF is initialized to H'00.
Bit
Initial value
Read/Write
16-bit mode (OCRF)
16-bit mode is selected by clearing bit CKSH2 to 0 in timer control register F (TCRF). The
OCRF contents are always compared with the 16-bit timer counter (TCF). When the contents
match, the compare match flag (CMFH) in TCSRF is set to 1. Also, IRRTFH in interrupt
request register 2 (IRR2) is set to 1. If bit IENTFH in interrupt enable register 2 (IENR2) is set
to 1, a CPU interrupt is requested.
Output for pin TMOFH can be toggled by compare match. The output level can also be set to
high or low by bit TOLH of timer control register F (TCRF).
8-bit mode (OCRFH, OCRFL)
Setting bit CKSH2 in TCRF to 1 results in two 8-bit registers, OCRFH and OCRFL.
The OCRFH contents are always compared with TCFH, and the OCRFL contents are always
compared with TCFL. When the contents match, the compare match flag (CMFH or CMFL) in
TCSRF is set to 1. Also, bit IRRTFH (IRRTFL) in interrupt request register 2 (IRR2) set to 1.
If bit IENTFH (IENTFL) in interrupt enable register 2 (IENR2) is set to 1 at this time, a CPU
interrupt is requested.
The output at pin TMOFH (TMOFL) can be toggled by compare match. The output level can
also be set to high or low by bit TOLH (TOLL) of the timer control register (TCRF).
TOLH
W
7
0
CKSH2
W
6
0
CKSH1
W
5
0
CKSH0
W
4
0
TOLL
W
3
0
CKSL2
W
2
0
CKSL1
W
1
0
CKSL0
W
0
0
199
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