HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 452

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 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: -

Section 12 Serial Communication Interface
Switching from SCK Pin Function to Port Pin Function:
1. End of serial data transmission
2. TE bit = 0
3. C/
4. Occurrence of low-level output (see figure 12.23)
Rev. 2.00 Sep 20, 2005 page 412 of 800
REJ09B0260-0200
SCK/port
Data
TE
C/A
CKE1
CKE0
Figure 12.23 Operation when Switching from SCK Pin Function to Port Pin Function
Problem in Operation: When switching the SCK pin function to the output port function (high-
level output) by making the following settings while DDR = 1, DR = 1, C/
CKE0 = 0, and TE = 1 (synchronous mode), low-level output occurs for one half-cycle.
A
bit = 0 ... switchover to port output
Bit 6
Bit 7
1. End of transmission
2. TE = 0
3. C/A = 0
4. Low-level output
Half-cycle low-level output
A
= 1, CKE1 = 0,