HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 378

• Manufacturer Part Number: HD6477021X20V
• Description: MCU 5V 32K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

Specifications of HD6477021X20V

• Core Processor: SH-1
• Core Size: 32-Bit
• Speed: 20MHz
• Connectivity: EBI/EMI, SCI
• Peripherals: DMA, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Table 13.5 indicates the maximum bit rates in the asynchronous mode when the baud rate
generator is being used. Tables 13.6 and 13.7 show the maximum rates for external clock input.
Table 13.5 Maximum Bit Rates for Various Frequencies with Baud Rate Generator
2
2.097152
2.4576
3
3.6864
4
4.9152
5
6
6.144
7.3728
8
9.8304
10
12
12.288
14
14.7456
16
17.2032
18
19.6608
20
(MHz)
(Asynchronous Mode)
Maximum Bit Rate (bits/s)
62500
65536
76800
93750
115200
125000
153600
156250
187500
192000
230400
250000
307200
312500
375000
384000
437500
460800
500000
537600
562500
614400
625000
n
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Settings
N
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
RENESAS 361