HD64F3337YCP16 Renesas Electronics America, HD64F3337YCP16 Datasheet - Page 392
HD64F3337YCP16
Manufacturer Part Number
HD64F3337YCP16
Description
IC H8 MCU FLASH 60K 84PLCC
Manufacturer
Renesas Electronics America
Series
H8® H8/300r
Specifications of HD64F3337YCP16
Core Processor
H8/300
Core Size
8-Bit
Speed
16MHz
Connectivity
Host Interface, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K 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
84-PLCC
Package
84PLCC
Family Name
H8
Maximum Speed
16 MHz
Operating Supply Voltage
5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
74
Interface Type
HIF/I2C/SCI
On-chip Adc
8-chx10-bit
On-chip Dac
2-chx8-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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17.1.2
The on-chip RAM is enabled or disabled by the RAME bit in SYSCR. See section 3.2, System
Control Register, for the other SYSCR bits.
Bit 0—RAM Enable (RAME): This bit enables or disables the on-chip RAM. The RAME bit is
initialized to 1 on the rising edge of the RES signal. The RAME bit is not initialized in software
standby mode.
Bit 0: RAME
0
1
17.2
17.2.1
If the RAME bit is set to 1, accesses to addresses H'F780 to H'FF7F in the H8/3337Y, H8/3336Y,
H8/3397, and H8/3396 and addresses H'FB80 to H'FF7F in the H8/3334Y and H8/3394 are
directed to the on-chip RAM. If the RAME bit is cleared to 0, accesses to these addresses are
directed to the external data bus.
17.2.2
If the RAME bit is set to 1, accesses to addresses H'F780 to H'FF7F in the H8/3337Y, H8/3336Y,
H8/3397, and H8/3396 and addresses H'FB80 to H'FF7F in the H8/3334Y and H8/3394 are
directed to the on-chip RAM.
If the RAME bit is cleared to 0, the on-chip RAM data cannot be accessed. Attempted write access
has no effect. Attempted read access always results in H'FF data being read.
Notes: 1. When V
360
Bit
Initial value
Read/Write
2. On-chip RAM values are not guaranteed if power is turned off, then on again, in any
3. When specific bits in RAM are used as control bits, initial values must be set after
RAM Enable Bit (RAME) in System Control Register (SYSCR)
Operation
Expanded Modes (Modes 1 and 2)
Single-Chip Mode (Mode 3)
See section 21.4.1 and Appendix E for details.
state.
powering on.
SSBY
R/W
CC
Description
On-chip RAM is disabled.
On-chip RAM is enabled.
7
0
V
RAM
STS2
R/W
, on-chip RAM values can be retained by using the specified method.
6
0
STS1
R/W
5
0
STS0
R/W
4
0
XRST
3
1
R
NMIEG
R/W
2
0
R/W
HIE
1
0
(Initial value)
RAME
R/W
0
1
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