HD64F3642AH Renesas Electronics America, HD64F3642AH Datasheet - Page 229
HD64F3642AH
Manufacturer Part Number
HD64F3642AH
Description
IC H8 MCU FLASH 16K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3642AH
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Bit 4 Reserved Bit: Bit 4 is reserved; it is always read as 1, and cannot be modified.
Bits 3 to 0 Internal Clock Select (TMA3 to TMA0): Bits 3 to 0 select the clock input to TCA.
The selection is made as follows.
Bit 3:
TMA3
0
1
Timer Counter A (TCA)
TCA is an 8-bit read-only up-counter, which is incremented by internal clock input. The clock
source for input to this counter is selected by bits TMA3 to TMA0 in timer mode register A
(TMA). TCA values can be read by the CPU in active mode, but cannot be read in subactive
mode. When TCA overflows, the IRRTA bit in interrupt request register 1 (IRR1) is set to 1.
Bit
Initial value
Read/Write
Bit 2:
TMA2
0
1
0
1
TCA7
R
7
0
Bit 1:
TMA1
0
1
0
1
0
1
0
1
TCA6
R
0
6
Bit 0:
TMA0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
TCA5
R
0
5
Prescaler and Divider Ratio
or Overflow Period
PSS, /8192
PSS, /4096
PSS, /2048
PSS, /512
PSS, /256
PSS, /128
PSS, /32
PSS, /8
PSW, 1 s
PSW, 0.5 s
PSW, 0.25 s
PSW, 0.03125 s
PSW and TCA are reset
TCA4
R
4
0
Rev. 6.00 Sep 12, 2006 page 207 of 526
TCA3
R
3
0
(initial value)
Description
TCA2
R
2
0
REJ09B0326-0600
Function
Interval timer
Clock time base
Section 9 Timers
TCA1
R
1
0
TCA0
R
0
0
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