HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 268
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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10.2
Table 10.1 lists the PWM (D/A) module input and output pins.
Table 10.1 Pin Configuration
10.3
The PWM (D/A) module has the following registers. The PWM (D/A) registers are assigned to the
same addresses with other registers. The registers are selected by the IICE bit in the serial timer
control register (STCR). For details on STCR, see section 3.2.3, Serial Timer Control Register
(STCR).
Note: The same addresses are shared by DADRA and DACR, and by DADRB and DACNT.
10.3.1
DACNT is a 14-bit readable/writable up-counter. The input clock is selected by the clock select bit
(CKS) in DACR. DACNT functions as the time base for both PWM (D/A) channels. When a
channel operates with 14-bit precision, it uses all DACNT bits. When a channel operates with 12-
bit precision, it uses the lower 12 bits and ignores the upper two bits. Since DACNT consists of
16-bit data, DACNT transfers data to the CPU via the temporary register (TEMP). For details,
refer to section 10.4, Bus Master Interface.
Rev. 2.0, 08/02, page 228 of 788
Name
PWM output pin X0
PWM output pin X1
PWM (D/A) counter H (DACNTH)
PWM (D/A) counter L (DACNTL)
PWM (D/A) data register AH (DADRAH)
PWM (D/A) data register AL (DADRAL)
PWM (D/A) data register BH (DADRBH)
PWM (D/A) data register BL (DADRBL)
PWM (D/A) control register (DACR)
Switching is performed by the REGS bit in DACNT or DADRB.
Input/Output Pins
Register Descriptions
PWM (D/A) Counters H and L (DACNTH, DACNTL)
Abbreviation I/O
PWX0
PWX1
Output
Output
PWM output of PWMX channel A
PWM output of PWMX channel B
Function
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