HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 993

• Manufacturer Part Number: HD64F2623FA20J
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2623FA20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

TCSR0—Timer Control/Status Register 0
Notes: TCSR is write-protected by a password to prevent accidental overwriting. For details see
Bit
Initial value
Read/Write
section 12.2.5, Notes on register access.
* Can only be written with 0 for flag clearing.
Overflow flag
0 [Clearing conditions]
1
:
:
:
When 0 is written to OVF after reading TCSR when OVF = 1
[Setting condition]
When TCNT overflows (changes from H'FF to H'00)
When internal reset request generation is selected in watchdog timer mode, OVF is
cleared automatically by the internal reset
R/(W)*
OVF
Timer mode select
Note: * For details of the case where TCNT overflows in watchdog timer mode,
7
0
0 Interval timer mode: Sends the CPU an interval timer interrupt request
1
(WOVI) when TCNT overflows
Watchdog timer mode: Generates the WDTOVF signal when TCNT overflows *
see section 12.2.3, Reset Control/Status Register (RSTCSR).
WT/IT
R/W
Timer enable
6
0
0 TCNT is initialized to H'00 and halted
1
TCNT counts
TME
R/W
5
0
Clock select
Note: * The overflow period is the time from when TCNT
CKS2
0
1
CKS2
starts counting up until overflow occurs.
—
—
4
1
0
1
0
1
CKS2
H'FF74 (W), H'FF74 (R)
Rev. 5.00 Jan 10, 2006 page 967 of 1042
0
1
0
1
0
1
0
1
—
—
3
1
/2 (Initial value)
/64
/128
/512
/2048
/8192
/32768
/131072
Appendix B Internal I/O Register
Clock
CKS2
R/W
2
0
CKS1
25.6 s
819.2 s
1.6 ms
6.6 ms
26.2 ms
104.9 ms
419.4 ms
1.68 s
R/W
(when ø = 20 MHz)
REJ09B0275-0500
Overflow Period *
1
0
CKS0
R/W
0
0
WDT0