HD64F3642AH Renesas Electronics America, HD64F3642AH Datasheet - Page 228
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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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Section 9 Timers
Register Configuration
Table 9.3 shows the register configuration of timer A.
Table 9.3
Name
Timer mode register A
Timer counter A
9.2.2
Timer Mode Register A (TMA)
TMA is an 8-bit read/write register for selecting the prescaler, input clock, and output clock.
Upon reset, TMA is initialized to H'10.
Bits 7 to 5 Clock Output Select (TMA7 to TMA5): Bits 7 to 5 choose which of eight clock
signals is output at the TMOW pin. The system clock divided by 32, 16, 8, or 4 can be output in
active mode and sleep mode. A 32.768 kHz signal divided by 32, 16, 8, or 4 can be output in
active mode, sleep mode, and subactive mode.
Bit 7: TMA7
0
1
Rev. 6.00 Sep 12, 2006 page 206 of 526
REJ09B0326-0600
Bit
Initial value
Read/Write
Register Descriptions
Timer A Registers
Bit 6: TMA6
0
1
0
1
TMA7
R/W
7
0
TMA6
R/W
0
6
Abbr.
TMA
TCA
Bit 5: TMA5
0
1
0
1
0
1
0
1
TMA5
R/W
5
0
R/W
R/W
R
4
1
Clock Output
/32
/16
/8
/4
W
W
W
W
/32
/16
/8
/4
TMA3
R/W
Initial Value
H'10
H'00
3
0
TMA2
R/W
2
0
TMA1
R/W
Address
H'FFB0
H'FFB1
1
0
(initial value)
TMA0
R/W
0
0
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