HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 328

• Manufacturer Part Number: HD64F3644H
• Description: IC H8 MCU FLASH 32K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFP
• Package: 64PQFP
• Family Name: H8
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 45
• Interface Type: SCI
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 10 Serial Communication Interface
Notes: 1. The setting should be made so that the error is not more than 1%.
Table 10.7 Relation between n and Clock
n
0
1
2
3
Rev. 6.00 Sep 12, 2006 page 306 of 526
REJ09B0326-0600
2. The value set in BRR is given by the following equation:
3. The error in table 10.6 is the value obtained from the following equation, rounded to
N =
where
B:
N:
OSC: Value of
n:
two decimal places.
Error (%) =
(64
Bit rate (bit/s)
Baud rate generator BRR setting (0 ≤ N ≤ 255)
Baud rate generator input clock number (n = 0, 1, 2, or 3)
(The relation between n and the clock is shown in table 10.7.)
OSC
2
B (rate obtained from n, N, OSC) – R (bit rate in left-hand column in table 10.6)
2n
Clock
/4
16
/64
B)
OSC
10
(MHz)
6
– 1
R (bit rate in left-hand column in table 10.6)
CKS1
0
0
1
1
SMR Setting
CKS0
0
1
0
1
100