DF2437FV Renesas Electronics America, DF2437FV Datasheet - Page 478
DF2437FV
Manufacturer Part Number
DF2437FV
Description
IC H8S/2437 MCU FLASH 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2400r
Specifications of DF2437FV
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2437FV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 478 of 776
- Download datasheet (5Mb)
Note:
Rev.2.00 May. 28, 2009 Page 438 of 732
REJ09B0059-0200
Bit
5
4
3
2
1
0
CKS2
CKS1
CKS0
Bit Name Initial Value R/W
TME
⎯
RST/NMI 0
* Only 0 can be written, to clear the flag.
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Description
Timer Enable
When this bit is set to 1, TCNT starts counting.
When this bit is cleared, TCNT stops counting and is
initialized to H′00.
Reserved
The initial value should not be changed.
Reset or NMI
Selects whether an internal reset or an NMI interrupt is
requested when TCNT has overflowed.
0: An NMI interrupt is requested
1: An internal reset is requested
Clock Select 2 to 0
Select the clock source to be input to TCNT. The
overflow cycle for φ = 20 MHz is enclosed in
parentheses.
000: φ/2 (cycle: 25.6 μs)
001: φ/64 (cycle: 819.2 μs)
010: φ/128 (cycle: 1.6 ms)
011: φ/512 (cycle: 6.5 ms)
100: φ/2048 (cycle: 26.2 ms)
101: φ/8192 (cycle: 104.8 ms)
110: φ/32768 (cycle: 419.4 ms)
111: φ/131072 (cycle: 1.67 s)
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