HD64F2145BTE20 Renesas Electronics America, HD64F2145BTE20 Datasheet - Page 179
HD64F2145BTE20
Manufacturer Part Number
HD64F2145BTE20
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of HD64F2145BTE20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
PWM, WDT
Number Of I /o
74
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
8K 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-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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6.2
Table 6.1 summarizes the pins of the bus controller.
Table 6.1
6.3
The bus controller has the following registers. For details on the system control register, refer to
section 3.2.2, System Control Register (SYSCR).
Symbol
AS
IOS
RD
HWR
LWR
WAIT
Bus control register (BCR)
Wait state control register (WSCR)
Register Descriptions
Input/Output Pins
Pin Configuration
I/O
Output
Output
Output
Output
Output
Input
Function
Strobe signal indicating that address output on the address
bus is enabled (when the IOSE bit in SYSCR is cleared to 0).
I/O select signal (when the IOSE bit in SYSCR is set to 1).
Strobe signal indicating that the external address space is
being read.
Strobe signal indicating that the external address space is
being written to, and the upper half (D15 to D8) of the data
bus is enabled.
Strobe signal indicating that the external address space is
being written to, and the lower half (D7 to D0) of the data bus
is enabled.
Wait request signal when accessing the external 3-state
access space.
Rev. 3.00 Mar 21, 2006 page 123 of 788
Section 6 Bus Controller (BSC)
REJ09B0300-0300
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