MC908GR4CDWE Freescale Semiconductor, MC908GR4CDWE Datasheet - Page 132

• Manufacturer Part Number: MC908GR4CDWE
• Description: IC MCU 4K FLASH 8MHZ 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908GR4CDWE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 17
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Controller Family/series: HC08
• No. Of I/o's: 21
• Ram Memory Size: 384Byte
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: I2C, SCI, SPI
• Rohs Compliant: Yes
• Processor Series: HC08GR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 384 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8.2 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 6 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Monitor ROM (MON)
132
DB-25
10 μF
10 μF
Notes:
2
3
7
1. SW2, SW3, and SW4: Position C — Enter monitor mode using external oscillator.
2. See
+
+
SW2, SW3, and SW4: Position D — Enter monitor mode using external XTAL and internal PLL.
Table 15-1. Monitor Mode Signal Requirements and Options
1
3
4
2
5
6
MC145407
MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7
20
18
17
19
16
15
Figure 15-1. Monitor Mode Circuit
+
+
32.768 kHz XTAL
10 μF
10 μF
6–30 pF
V
1
2
6
4
7
DD
MC74HC125
(SEE NOTE 3)
6–30 pF
330 kΩ
10 kΩ
14
3
5
V
D
C
C
C
D
TST
V
DD
D
SW2
(SEE NOTE 2)
SW4
(SEE NOTE 2)
SW3
for IRQ voltage level requirements.
0.033 μF
(SEE NOTES 2
10 k
0.1 μF
0.1 μF
AND 3)
10 kΩ
10 kΩ
10 kΩ
10 kΩ
V
V
V
DDA
DD
DD
V
DD
V
CGMXFC
PTA1
V
RST
IRQ
OSC1
OSC2
V
V
V
V
PTA0
PTB0
PTB1
DDA
SS
DD
DDAD
SSAD
SSA
68HC08
/V
/V
REFL
REFH
Freescale Semiconductor