HD64F2134FA20 Renesas Electronics America, HD64F2134FA20 Datasheet - Page 129
HD64F2134FA20
Manufacturer Part Number
HD64F2134FA20
Description
IC H8S MCU FLASH 128K 80QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2134FA20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
58
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
80-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Bit 7—Expanded Mode Enable (EXPE): Sets expanded mode. In mode 1, this bit is fixed at 1
and cannot be modified. In modes 2 and 3, this bit has an initial value of 0, and can be read and
written.
Bits 6 to 2—Reserved: These bits cannot be modified and are always read as 0.
Bits 1 and 0—Mode Select 1 and 0 (MDS1, MDS0): These bits indicate the input levels at pins
MD1 and MD0 (the current operating mode). Bits MDS1 and MDS0 correspond to MD1 and
MD0. MDS1 and MDS0 are read-only bits—they cannot be written to. The mode pin (MD1 and
MD0) input levels are latched into these bits when MDCR is read.
3.2.2
SYSCR is an 8-bit readable/writable register that performs selection of system pin functions, reset
source monitoring, interrupt control mode selection, NMI detected edge selection, supporting
module pin location selection, supporting module register access control, and RAM address space
control.
Only bits 7, 6, 3, 1, and 0 are described here. For a detailed description of these bits, refer also to
the description of the relevant modules (host interface, bus controller, watchdog timer, RAM,
etc.). For information on bits 5, 4, and 2, see section 5.2.1, System Control Register (SYSCR).
SYSCR is initialized to H'09 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bit 7—Chip Select 2 Enable (CS2E): Specifies the location of the host interface control pin
(CS2). For details, see section 17, Host Interface. The H8S/2134 Group does not incorporate a
host interface, so do not set this bit to 1 in the H8S/2134 Group.
Bit 7
EXPE
0
1
Bit
Initial value
Read/Write
System Control Register (SYSCR)
Description
Single chip mode is selected
Expanded mode is selected
CS2E
R/W
7
0
IOSE
R/W
6
0
INTM1
R
5
0
INTM0
R/W
4
0
Rev. 4.00 Jun 06, 2006 page 73 of 1004
XRST
R
3
1
Section 3 MCU Operating Modes
NMIEG
R/W
2
0
R/W
HIE
REJ09B0301-0400
1
0
RAME
R/W
0
1
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