HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 215
HD6473837H
Manufacturer Part Number
HD6473837H
Description
IC H8 MCU OTP 60K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD6473837HV.pdf
(562 pages)
Specifications of HD6473837H
Core Processor
H8/300L
Core Size
8-Bit
Speed
5MHz
Connectivity
SCI
Peripherals
LCD, PWM
Number Of I /o
84
Program Memory Size
60KB (60K x 8)
Program Memory Type
OTP
Ram Size
2K 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
Contains lead / RoHS non-compliant
Eeprom Size
-
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TCF is a 16-bit read/write up-counter consisting of two cascaded 8-bit timer counters, TCFH and
TCFL. TCF can be used as a 16-bit counter, with TCFH as the upper 8 bits and TCFL as the lower
8 bits of the counter, or TCFH and TCFL can be used as independent 8-bit counters.
TCFH and TCFL 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, TCFH and TCFL are each initialized to H'00.
16-Bit Output Compare Register (OCRF)
8-Bit Output Compare Register (OCRFH)
8-Bit Output Compare Register (OCRFL)
198
Bit
Initial value
Read/Write
16-bit mode (TCF)
16-bit mode is selected by clearing bit CKSH2 to 0 in timer control register F (TCRF). The
TCF input clock is selected by TCRF bits CKSL2 to CKSL0.
Timer control status register F (TCSRF) can be set so that counter TCF will be cleared by
compare match.
When TCF overflows from H'FFFF to H'0000, the overflow flag (OVFH) in TCSRF is set to 1.
If bit OVIEH in TCSRF is set to 1 when an overflow occurs, bit IRRTFH in interrupt request
register 2 (IRR2) will be set to 1; and if bit IENTFH in interrupt enable register 2 (IENR2) is
set to 1, a CPU interrupt will be requested.
8-bit mode (TCFH, TCFL)
When bit CKSH2 in timer control register F (TCRF) is set to 1, timer F functions as two
separate 8-bit counters, TCFH and TCFL. The TCFH (TCFL) input clock is selected by TCRF
bits CKSH2 to CKSH0 (CKSL2 to CKSL0).
TCFH (TCFL) can be cleared by a compare match signal. This designation is made in bit
CCLRH (CCLRL) in TCSRF.
When TCFH (TCFL) overflows from H'FF to H'00, the overflow flag OVFH (OVFL) in
TCSRF is set to 1. If bit OVIEH (OVIEL) in TCSRF is set to 1 when an overflow occurs, bit
IRRTFH (IRRTHL) in interrupt request register 2 (IRR2) will be set to 1; and if bit IENTFH
(IENTFL) in interrupt enable register 2 (IENR2) is set to 1, a CPU interrupt will be requested.
R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W R/W
15
1
14
1
13
1
OCRFH
12
1
11
1
10
1
9
1
OCRF
8
1
7
1
6
1
5
1
OCRFL
4
1
3
1
2
1
1
1
0
1
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