HD64F3048F16 Renesas Electronics America, HD64F3048F16 Datasheet - Page 192
HD64F3048F16
Manufacturer Part Number
HD64F3048F16
Description
IC H8 MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of HD64F3048F16
Core Processor
H8/300H
Core Size
16-Bit
Speed
8MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Package
100PQFP
Family Name
H8
Maximum Speed
16 MHz
Operating Supply Voltage
5 V
Data Bus Width
16|32 Bit
Number Of Programmable I/os
70
Interface Type
SCI
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Number Of Timers
5
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 7 Refresh Controller
Bit 6—Compare Match Interrupt Enable (CMIE): Enables or disables the CMI interrupt
requested when the CMF flag is set to 1 in RTMCSR. The CMIE bit is always cleared to 0 when
PSRAME = 1 or DRAME = 1.
Bits 5 to 3—Clock Select 2 to 0 (CKS2 to CKS0): These bits select an internal clock source for
input to RTCNT. When used for refresh control, the refresh controller outputs a refresh request at
periodic intervals determined by compare match between RTCNT and RTCOR. When used as an
interval timer, the refresh controller generates CMI interrupts at periodic intervals determined by
compare match. These bits are write-disabled when the PSRAME bit or DRAME bit is set to 1.
Bits 2 to 0—Reserved: Read-only bits, always read as 1.
7.2.3
RTCNT is an 8-bit readable/writable up-counter.
RTCNT is an up-counter that is incremented by an internal clock selected by bits CKS2 to CKS0
in RTMCSR. When RTCNT matches RTCOR (compare match), the CMF flag is set to 1 and
RTCNT is cleared to H'00.
Rev. 7.00 Sep 21, 2005 page 166 of 878
REJ09B0259-0700
Bit 6: CMIE
0
1
Bit 5: CKS2
0
1
Bit
Initial value
Read/Write
Refresh Timer Counter (RTCNT)
R/W
Description
The CMI interrupt requested by CMF is disabled
The CMI interrupt requested by CMF is enabled
Bit 4: CKS1
0
1
0
1
7
0
R/W
6
0
R/W
Bit 3: CKS0
0
1
0
1
0
1
0
1
5
0
R/W
4
0
R/W
Description
Clock input is disabled
3
0
/2 clock source
/8 clock source
/32 clock source
/128 clock source
/512 clock source
/2048 clock source
/4096 clock source
R/W
2
0
R/W
1
0
(Initial value)
(Initial value)
R/W
0
0
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