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參數(shù)資料
| 型號(hào)： | MC68HC16Z1CEH20 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 309/500頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MPU 16BIT 20MHZ 132-PQFP |
| 標(biāo)準(zhǔn)包裝： | 36 |
| 系列： | HC16 |
| 核心處理器： | CPU16 |
| 芯體尺寸： | 16-位 |
| 速度： | 20MHz |
| 連通性： | EBI/EMI，SCI，SPI |
| 外圍設(shè)備： | POR，PWM，WDT |
| 輸入/輸出數(shù)： | 16 |
| 程序存儲(chǔ)器類型： | ROMless |
| RAM 容量： | 1K x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 2.7 V ~ 5.5 V |
| 數(shù)據(jù)轉(zhuǎn)換器： | A/D 8x10b |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 132-BQFP 緩沖式 |
| 包裝： | 托盤 |
M68HC16 Z SERIES
REGISTER SUMMARY
USER’S MANUAL
D-3
D.1.1 Condition Code Register
The CCR contains processor status flags, the interrupt priority field, and the program
counter address extension field. The CPU16 has a special set of instructions that ma-
nipulate the CCR.
S — STOP Enable
0 = Stop CPU16 clocks when LPSTOP instruction is executed.
1 = Perform NOPs when LPSTOP instruction is executed.
MV — Accumulator M overflow flag
Set when overflow into AM35 has occurred.
H — Half Carry Flag
Set when a carry from A3 or B3 occurs during BCD addition.
EV — Accumulator M Extension Overflow Flag
EV is set when an overflow into AM31 has occurred.
N — Negative Flag
N is set under the following conditions:
When the MSB is set in the operand of a read operation.
When the MSB is set in the result of a logic or arithmetic operation.
Z — Zero Flag
Z is set under the following conditions:
When all bits are zero in the operand of a read operation.
When all bits are zero in the result of a logic or arithmetic operation.
V — Overflow Flag
Set when two’s complement overflow occurs as the result of an operation.
C — Carry Flag
Set when carry or borrow occurs during arithmetic operation. Also used during shifts
and rotates.
IP[2:0] — Interrupt Priority Field
The priority value in this field (0 to 7) is used to mask low priority interrupts.
SM — Saturate Mode Bit
When SM is set, if either EV or MV is set, data read from AM using TMER or TMET is
given maximum positive or negative value, depending on the state of the AM sign bit
before overflow.
PK[3:0] — Program Counter Address Extension Field
This field is concatenated with the program counter to form a 20-bit address.
CCR — Condition Code Register
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
S
MV
H
EV
N
Z
V
C
IP[2:0]
SM
PK[3:0]
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC16Z1CEH20 | 制造商:Freescale Semiconductor 功能描述:Microcontroller |
| MC68HC16Z1CEH25 | 功能描述:16位微控制器 - MCU 16 BIT MCU 1K RAM RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時(shí)鐘頻率:24 MHz 程序存儲(chǔ)器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風(fēng)格:SMD/SMT |
| MC68HC16Z1CEH25 | 制造商:Freescale Semiconductor 功能描述:16-BIT MICROCONTROLLER IC |
| MC68HC16Z1CFC16 | 制造商:n/a 功能描述:_ |
| MC68HC16Z1CFC20 | 制造商:Rochester Electronics LLC 功能描述:16 BIT MCU, 1K RAM - Bulk |
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