HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 101
HD64F2623FA20J
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
-
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Quantity:
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3.2
3.2.1
MDCR is an 8-bit register that indicates the current operating mode of the H8S/2626 Group or
H8S/2623 Group chip.
Bit 7—Reserved: Only 1 should be written to this bit.
Bits 6 to 3—Reserved: These bits are always read as 0 and cannot be modified.
Bits 2 to 0—Mode Select 2 to 0 (MDS2 to MDS0): These bits indicate the input levels at pins
MD2 to MD0 (the current operating mode). Bits MDS2 to MDS0 correspond to MD2 to MD0.
MDS2 to MDS0 are read-only bits-they cannot be written to. The mode pin (MD2 to MD0) input
levels are latched into these bits when MDCR is read. These latches are canceled by a reset.
3.2.2
SYSCR is an 8-bit readable/writable register that selects saturating or non-saturating calculation
for the MAC instruction, selects the interrupt control mode and the detected edge for NMI, and
enables or disables on-chip RAM.
SYSCR is initialized to H'01 by a reset and in hardware standby mode. SYSCR is not initialized in
software standby mode.
Bit
Initial value
R/W
Bit
Initial value
R/W
Note: * Determined by pins MD2 to MD0.
Register Descriptions
Mode Control Register (MDCR)
System Control Register (SYSCR)
:
:
:
:
:
:
MACS
R/W
R/W
—
7
1
7
0
—
—
—
—
6
0
6
0
INTM1
R/W
—
—
5
0
5
0
INTM0
R/W
—
—
4
0
4
0
Rev. 5.00 Jan 10, 2006 page 75 of 1042
NMIEG
R/W
—
—
3
0
3
0
Section 3 MCU Operating Modes
MDS2
R/W
—*
—
R
2
2
0
MDS1
REJ09B0275-0500
—*
—
—
R
1
1
0
RAME
MDS0
R/W
—*
R
0
0
1
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